Patent US2561641A successfully refreshed from Google Patents.
US1368035A
Expired / Lapsed
US
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Last-engaging dog for last-lathes
Assignee: Individual
•
Filing: 1920-05-20
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Granted: 1921-02-08
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Expires: 1940-05-20
Abstract
No abstract record available.
Inventors
- 👤 William H Kay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:23
CPC Classifications
B; B27; B27M; B27M3/00; B27M3/20; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5152; Y10T29/5154; Y10T29/5155; Y10T82/00; Y10T82/26
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) | 1924-02-08 | 1924-08-09 | 1925-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1928-02-08 | 1928-08-09 | 1929-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1932-02-08 | 1932-08-09 | 1933-02-08 | $7700.00 | Window Closed / Lapsed |