Air lock access door
Description
Claims
The ornamental design for an air lock access door, as shown and described.
Referenced Cited
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Patent History
Patent number: D837844
Type: Grant
Filed: Apr 13, 2017
Date of Patent: Jan 8, 2019
Inventors: Peter Simpson (Cayuga), John Whitney (Harley)
Primary Examiner: Patricia A Palasik
Application Number: 29/600,524
Type: Grant
Filed: Apr 13, 2017
Date of Patent: Jan 8, 2019
Inventors: Peter Simpson (Cayuga), John Whitney (Harley)
Primary Examiner: Patricia A Palasik
Application Number: 29/600,524
Classifications