US670238A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Windmill and pump coupling.
Assignee: Individual
•
Filing: 1900-09-28
•
Granted: 1901-03-19
•
Expires: 1920-09-28
Abstract
No abstract record available.
Inventors
- 👤 Emery F Kingston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 16:27
CPC Classifications
F; F03; F03D; F03D80/00; B; B62; B62K; B62K25/00; B62K25/02; F03D15/00; F03D9/00; F03D9/10; F03D9/13; F03D9/14; F03D9/20; F03D9/28; F16; F16B; F16B1/00; Y; Y02; Y02E; Y02E10/00; Y02E10/70; Y02E10/72; Y02E60/00; Y02E60/16; Y02E70/00; Y02E70/30; Y10; Y10T; Y10T403/00; Y10T403/59; Y10T403/591; Y10T403/595; Y10T74/00; Y10T74/21; Y10T74/2142; Y10T74/2151
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) | 1904-03-18 | 1904-09-17 | 1905-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1908-03-18 | 1908-09-17 | 1909-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1912-03-18 | 1912-09-17 | 1913-03-19 | $7700.00 | Window Closed / Lapsed |