US2510601A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disk sharpener
Assignee: Individual
•
Filing: 1948-06-08
•
Granted: 1950-06-06
•
Expires: 1968-06-08
Abstract
No abstract record available.
Inventors
- 👤 Pater Herman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:32
CPC Classifications
B; B24; B24B; B24B3/00; B24B3/36; B24B3/46; B24B3/466
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US646093A
Cited
US1085840A
Cited
US2106082A
Cited
US2244586A
Cited
US2477361A
Cited
US2487709A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-06-05 | 1953-12-05 | 1954-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-05 | 1957-12-05 | 1958-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-05 | 1961-12-05 | 1962-06-06 | $7700.00 | Window Closed / Lapsed |