US3370381A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Operating mechanism for a hinged door
Assignee: BYRNE DOORS Inc
•
Filing: 1965-06-01
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Granted: 1968-02-27
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Expires: 1985-06-01
Abstract
No abstract record available.
Inventors
- 👤 Allan E Wetter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:09
CPC Classifications
E; E05; E05F; E05F17/00; E05F17/004; E05F15/00; E05F15/60; E05F15/603; E05F15/611; E05F15/63; E05Y; E05Y2201/00; E05Y2201/20; E05Y2201/23; E05Y2201/232; E05Y2201/236; E05Y2201/40; E05Y2201/43; E05Y2201/434; E05Y2400/00; E05Y2400/10; E05Y2400/30; E05Y2400/3013; E05Y2800/00; E05Y2800/73; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/132
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) | 1971-02-26 | 1971-08-28 | 1972-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-26 | 1975-08-28 | 1976-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-26 | 1979-08-28 | 1980-02-27 | $7700.00 | Window Closed / Lapsed |