Patent US693508A successfully refreshed from Google Patents.
US693508A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Groove-cutter.
Assignee: Individual
•
Filing: 1901-07-08
•
Granted: 1902-02-18
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Expires: 1921-07-08
Abstract
No abstract record available.
Inventors
- 👤 Heinrich Wilhelm Adolf Fette
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:36
CPC Classifications
B; B23; B23C; B23C5/00; B23C5/02; B23C5/10; Y; Y10; Y10T; Y10T407/00; Y10T407/19; Y10T407/1946; Y10T407/1948; Y10T408/00; Y10T408/89; Y10T408/909; Y10T408/9093
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) | 1905-02-17 | 1905-08-19 | 1906-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1909-02-17 | 1909-08-19 | 1910-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1913-02-17 | 1913-08-19 | 1914-02-18 | $7700.00 | Window Closed / Lapsed |