US1359679A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for controlling power-operating mechanism
Assignee: Sir WG Armstrong Whitworth and Co Engineers Ltd
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Filing: 1919-04-15
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Granted: 1920-11-23
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Expires: 1939-04-15
Abstract
No abstract record available.
Inventors
- 👤 Fee Francis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:33
CPC Classifications
B; B63; B63H; B63H25/00; B63H25/06; B63H25/08; B63H25/14; B63H25/18; B63H25/22; B63H25/26; B63H25/28; B63H25/30; F; F15; F15B; F15B11/00; F15B11/02; F15B11/04; F15B11/05; F15B11/055; F15B9/00; F15B9/14; F15B2211/00; F15B2211/30; F15B2211/305; F15B2211/30525; F15B2211/32; F15B2211/321; F15B2211/324; F15B2211/325; F15B2211/326; F15B2211/70; F15B2211/705; F15B2211/7058
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) | 1923-11-23 | 1924-05-24 | 1924-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1927-11-23 | 1928-05-24 | 1928-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1931-11-23 | 1932-05-24 | 1932-11-23 | $7700.00 | Window Closed / Lapsed |