US3022065A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power apparatus for windows and the like
Assignee: WEATHERPROOF PRODUCTS CORP
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Filing: 1959-04-23
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Granted: 1962-02-20
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Expires: 1979-04-23
Abstract
No abstract record available.
Inventors
- 👤 Robert L Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:23
CPC Classifications
E; E05; E05D; E05D13/00; E05D13/10; E05D13/12; E05D13/123; E05F; E05F15/00; E05F15/60; E05F15/603; E05Y; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/148
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) | 1965-02-19 | 1965-08-21 | 1966-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-19 | 1969-08-21 | 1970-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-19 | 1973-08-21 | 1974-02-20 | $7700.00 | Window Closed / Lapsed |