Nomograph
Latest The Purdue Frederick Company Patents:
Description
FIG. 1 is a front elevational view of a nomograph showing my new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a right side elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a left side elevational view thereof; and
FIG. 6 is a bottom plan view thereof.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
1074439 | September 1913 | Kincaid |
1637222 | July 1927 | Hempleman |
3372869 | March 1968 | Motte et al. |
1194081 | November 1959 | FRX |
Patent History
Patent number: D284088
Type: Grant
Filed: Jul 12, 1983
Date of Patent: Jun 3, 1986
Assignee: The Purdue Frederick Company (New York, NY)
Inventors: Erwig Pinter (Limburg/Lahn), Michael Oellerich (Hanover), Gerhard W. Sybrecht (Hanover)
Primary Examiner: Louis S. Zarfas
Law Firm: Steinberg & Raskin
Application Number: 6/513,037
Type: Grant
Filed: Jul 12, 1983
Date of Patent: Jun 3, 1986
Assignee: The Purdue Frederick Company (New York, NY)
Inventors: Erwig Pinter (Limburg/Lahn), Michael Oellerich (Hanover), Gerhard W. Sybrecht (Hanover)
Primary Examiner: Louis S. Zarfas
Law Firm: Steinberg & Raskin
Application Number: 6/513,037
Classifications
Current U.S. Class:
Slide Rule Type (D18/9)