Patent US919236A successfully refreshed from Google Patents.
US2984065A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Double acting spring motor
Assignee: Collins Radio Co
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Filing: 1960-07-15
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Granted: 1961-05-16
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Expires: 1980-07-15
Abstract
No abstract record available.
Inventors
- 👤 William B Stuhler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:39
CPC Classifications
H; H01; H01H; H01H3/00; H01H3/22; H01H3/30; H01H3/3005; H01H3/301; H01H3/24; H01H33/00; H01H33/02; H01H33/28; H01H33/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-15 | 1964-11-14 | 1965-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-15 | 1968-11-14 | 1969-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-15 | 1972-11-14 | 1973-05-16 | $7700.00 | Window Closed / Lapsed |