Patent US608034A successfully refreshed from Google Patents.
US837795A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Windmill.
Assignee: Individual
•
Filing: 1905-12-29
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Granted: 1906-12-04
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Expires: 1925-12-29
Abstract
No abstract record available.
Inventors
- 👤 Bert E Cassell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:56
CPC Classifications
F; F03; F03D; F03D1/00; F03D1/06; F03D1/0608; F05; F05B; F05B2240/00; F05B2240/20; F05B2240/21; F05B2240/221; F05B2240/2211; 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) | 1909-12-03 | 1910-06-04 | 1910-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1913-12-03 | 1914-06-04 | 1914-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1917-12-03 | 1918-06-04 | 1918-12-04 | $7700.00 | Window Closed / Lapsed |