US3369323A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power operated door opener
Assignee: FREDERICK D HICKS
•
Filing: 1967-03-22
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Granted: 1968-02-20
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Expires: 1987-03-22
Abstract
No abstract record available.
Inventors
- 👤 George R Millard
- 👤 Raymond R Martin
- 👤 Bruce B Bidelman
- 👤 Frederick D Hicks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:47
CPC Classifications
E; E05; E05D; E05D15/00; E05D15/48; E05D15/54; E05F; E05F15/00; E05F15/50; E05F15/53; E05F15/60; E05F15/603; E05F15/611; E05F15/614; E05F3/00; E05F3/04; E05F3/10; E05F3/104; E05F3/22; E05F3/224; E05Y; E05Y2201/00; E05Y2201/40; E05Y2201/404; E05Y2201/41; E05Y2201/422; E05Y2201/43; E05Y2201/434; E05Y2400/00; E05Y2400/10; E05Y2400/30; E05Y2400/3013; E05Y2400/3015; E05Y2800/00; E05Y2800/25; 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) | 1971-02-19 | 1971-08-21 | 1972-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-19 | 1975-08-21 | 1976-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-19 | 1979-08-21 | 1980-02-20 | $7700.00 | Window Closed / Lapsed |