Patent US681845A successfully refreshed from Google Patents.
US681845A
Expired / Lapsed
US
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Metal-working machine.
Assignee: Individual
•
Filing: 1901-01-02
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Granted: 1901-09-03
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Expires: 1921-01-02
Abstract
No abstract record available.
Inventors
- 👤 William S Davenport
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:15
CPC Classifications
B; B24; B24B; B24B39/00; B24B39/02; B24B39/023; Y; Y10; Y10T; Y10T29/00; Y10T29/47; Y10T29/51; Y10T29/5124; Y10T29/5127; Y10T29/5129; Y10T29/5147; Y10T29/5148; Y10T29/5152; Y10T29/5154; Y10T29/5179; Y10T82/00; Y10T82/25; Y10T82/2531; Y10T82/2541; Y10T82/2543
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) | 1904-09-02 | 1905-03-04 | 1905-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1908-09-02 | 1909-03-04 | 1909-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1912-09-02 | 1913-03-04 | 1913-09-03 | $7700.00 | Window Closed / Lapsed |