US2790635A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Operating mechanism for sectional garage doors
Assignee: Individual
•
Filing: 1953-06-10
•
Granted: 1957-04-30
•
Expires: 1973-06-10
Abstract
No abstract record available.
Inventors
- 👤 Charles R Evans
- 👤 William G Mcelroy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 01:31
CPC Classifications
E; E05; E05F; E05F15/00; E05F15/60; E05F15/603; E05F15/665; E05F15/668; E05F15/67; E05Y; E05Y2201/00; E05Y2201/40; E05Y2201/43; E05Y2201/434; E05Y2201/60; E05Y2201/622; E05Y2201/644; E05Y2201/656; E05Y2201/71; E05Y2201/722; E05Y2600/00; E05Y2600/40; E05Y2600/46; E05Y2900/00; E05Y2900/10; E05Y2900/106
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1981026A
Cited
US1940485A
Cited
US2021866A
Cited
US2137813A
Cited
US2533116A
Cited
US2555953A
Cited
US2628090A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-04-29 | 1960-10-29 | 1961-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-29 | 1964-10-29 | 1965-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-29 | 1968-10-29 | 1969-04-30 | $7700.00 | Window Closed / Lapsed |