Patent US1109945A successfully refreshed from Google Patents.
US1109945A
Expired / Lapsed
US
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Gearing for knife-sharpeners.
Assignee: Individual
•
Filing: 1912-06-05
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Granted: 1914-09-08
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Expires: 1932-06-05
Abstract
No abstract record available.
Inventors
- 👤 George J Seiss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:03
CPC Classifications
E; E21; E21B; E21B3/00; E21B3/02; E21B3/04; E21B3/06; F; F16; F16H; F16H1/00; F16H1/02; F16H1/04; F16H1/12; F16H1/14; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19023; Y10T74/19074; Y10T74/19107; Y10T74/19642
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) | 1917-09-07 | 1918-03-09 | 1918-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1921-09-07 | 1922-03-09 | 1922-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1925-09-07 | 1926-03-09 | 1926-09-08 | $7700.00 | Window Closed / Lapsed |