US712871A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grinding-machine.
Assignee: Individual
•
Filing: 1901-08-12
•
Granted: 1902-11-04
•
Expires: 1921-08-12
Abstract
No abstract record available.
Inventors
- 👤 Oakley S Walker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:09
CPC Classifications
B; B24; B24B; B24B47/00; B24B47/02; B24B47/06; Y; Y10; Y10S; Y10S451/00; Y10S451/906; Y10T; Y10T409/00; Y10T409/30; Y10T409/304536; Y10T409/304648; Y10T409/305096
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) | 1905-11-03 | 1906-05-05 | 1906-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1909-11-03 | 1910-05-05 | 1910-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1913-11-03 | 1914-05-05 | 1914-11-04 | $7700.00 | Window Closed / Lapsed |