Patent US2867697A successfully refreshed from Google Patents.
US2867697A
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Door control operator and limit switch mechanism
Assignee: Overhead Door Corp
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Filing: 1956-09-13
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Granted: 1959-01-06
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Expires: 1976-09-13
Abstract
No abstract record available.
Inventors
- 👤 Earl L Stroup
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:41
CPC Classifications
H; H01; H01H; H01H19/00; H01H19/02; H01H19/10; H01H19/14; H01H19/18; H01H19/186; E; E05; E05F; E05F15/00; E05F15/60; E05F15/603; E05F15/665; E05F15/668; E05F11/00; E05F11/54; E05Y; E05Y2201/00; E05Y2201/60; E05Y2201/622; E05Y2201/676; E05Y2900/00; E05Y2900/10; E05Y2900/106
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-05 | 1962-07-07 | 1963-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-05 | 1966-07-07 | 1967-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-05 | 1970-07-07 | 1971-01-06 | $7700.00 | Window Closed / Lapsed |