Patents by Inventor Jacob W. SPRINGER

Jacob W. SPRINGER has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Modular staircase
    Patent number: 11814193
    Abstract: A modular staircase is disclosed. The modular staircase includes a first staircase section having a plurality of steps and a first support member detachably connected to the first staircase section. Further, the modular staircase includes a second stair module having a second staircase section including a plurality of steps and a second support member detachably connected to the second staircase section and to the first support member. The modular staircase further includes a third stair module having a third staircase section including a plurality of steps and a retractable third support member detachably connected to the third staircase section and to the second support member. The third support member may be configured to raise or lower the third staircase section relative to the second staircase section.
    Type: Grant
    Filed: December 3, 2019
    Date of Patent: November 14, 2023
    Assignee: Federal Express Corporation
    Inventor: Jacob W. Springer
  • MODULAR STAIRCASE
    Publication number: 20200102094
    Abstract: A modular staircase is disclosed. The modular staircase includes a first staircase section having a plurality of steps and a first support member detachably connected to the first staircase section. Further, the modular staircase includes a second stair module having a second staircase section including a plurality of steps and a second support member detachably connected to the second staircase section and to the first support member. The modular staircase further includes a third stair module having a third staircase section including a plurality of steps and a retractable third support member detachably connected to the third staircase section and to the second support member. The third support member may be configured to raise or lower the third staircase section relative to the second staircase section.
    Type: Application
    Filed: December 3, 2019
    Publication date: April 2, 2020
    Applicant: Federal Express Corporation
    Inventor: Jacob W. SPRINGER
  • Modular staircase
    Patent number: 10532827
    Abstract: A modular staircase is disclosed. The modular staircase includes a first staircase section having a plurality of steps and a first support member detachably connected to the first staircase section. Further, the modular staircase includes a second stair module having a second staircase section including a plurality of steps and a second support member detachably connected to the second staircase section and to the first support member. The modular staircase further includes a third stair module having a third staircase section including a plurality of steps and a retractable third support member detachably connected to the third staircase section and to the second support member. The third support member may be configured to raise or lower the third staircase section relative to the second staircase section.
    Type: Grant
    Filed: May 31, 2017
    Date of Patent: January 14, 2020
    Assignee: Federal Express Corporation
    Inventor: Jacob W. Springer
  • MODULAR STAIRCASE
    Publication number: 20180346149
    Abstract: A modular staircase is disclosed. The modular staircase includes a first staircase section having a plurality of steps and a first support member detachably connected to the first staircase section. Further, the modular staircase includes a second stair module having a second staircase section including a plurality of steps and a second support member detachably connected to the second staircase section and to the first support member. The modular staircase further includes a third stair module having a third staircase section including a plurality of steps and a retractable third support member detachably connected to the third staircase section and to the second support member. The third support member may be configured to raise or lower the third staircase section relative to the second staircase section.
    Type: Application
    Filed: May 31, 2017
    Publication date: December 6, 2018
    Applicant: Federal Express Corporation
    Inventor: Jacob W. SPRINGER