Patent US636952A successfully refreshed from Google Patents.
US636952A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wind-wheel regulator.
Assignee: Individual
•
Filing: 1899-05-12
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Granted: 1899-11-14
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Expires: 1919-05-12
Abstract
No abstract record available.
Inventors
- 👤 William W Chaney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:17
CPC Classifications
F; F03; F03D; F03D7/00; F03D9/00; F03D9/10; F03D9/13; F03D9/14; F03D9/20; F03D9/28; Y; Y02; Y02E; Y02E10/00; Y02E10/70; Y02E10/72; Y02E60/00; Y02E60/16; Y02E70/00; Y02E70/30
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) | 1902-11-14 | 1903-05-16 | 1903-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1906-11-14 | 1907-05-16 | 1907-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1910-11-14 | 1911-05-16 | 1911-11-15 | $7700.00 | Window Closed / Lapsed |