US2610366A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Airplane hangar door
Assignee: MCKEE DOOR Co
•
Filing: 1946-05-11
•
Granted: 1952-09-16
•
Expires: 1966-05-11
Abstract
No abstract record available.
Inventors
- 👤 John F Mckee
- 👤 Melvin E Hartzler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:57
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US759188A
Cited
US1028134A
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US1908659A
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US1918015A
Cited
GB364261A
Cited
US1940485A
Cited
DE674222C
Cited
US2037085A
Cited
US2214229A
Cited
GB516770A
Cited
US2355956A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-16 | 1956-03-17 | 1956-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-16 | 1960-03-17 | 1960-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-16 | 1964-03-17 | 1964-09-16 | $7700.00 | Window Closed / Lapsed |