US1279642A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric-generator coupling for windmills.
Assignee: Individual
•
Filing: 1917-11-07
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Granted: 1918-09-24
•
Expires: 1937-11-07
Abstract
No abstract record available.
Inventors
- 👤 Eugene H Brady
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 01:23
CPC Classifications
F; F03; F03D; F03D7/00; F03D7/02; F03D7/04; F03D7/041; F03D80/00; F16; F16D; F16D43/00; F16D43/02; F16D43/04; F16D43/06; F16D43/08; F16D43/10; Y; Y02; Y02E; Y02E10/00; Y02E10/70; Y02E10/72
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) | 1921-09-23 | 1922-03-25 | 1922-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1925-09-23 | 1926-03-25 | 1926-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1929-09-23 | 1930-03-25 | 1930-09-24 | $7700.00 | Window Closed / Lapsed |