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Patent US952979A successfully refreshed from Google Patents.
US952979A
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US
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Windmill-drive.
Assignee: Individual
•
Filing: 1908-02-19
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Granted: 1910-03-22
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Expires: 1928-02-19
Abstract
No abstract record available.
Inventors
- 👤 Robert B Cummins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:37
CPC Classifications
F; F03; F03D; F03D15/00; F03D80/00; F03D80/70; F04; F04B; F04B9/00; F04B9/02; Y; Y02; Y02E; Y02E10/00; Y02E10/70; Y02E10/72; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18208; Y10T74/21; Y10T74/2142; Y10T74/2151; Y10T74/2173; Y10T74/2179
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) | 1913-03-21 | 1913-09-20 | 1914-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1917-03-21 | 1917-09-20 | 1918-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1921-03-21 | 1921-09-20 | 1922-03-22 | $7700.00 | Window Closed / Lapsed |