US2752909A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diamond tool holder
Assignee: Individual
•
Filing: 1953-01-12
•
Granted: 1956-07-03
•
Expires: 1973-01-12
Abstract
No abstract record available.
Inventors
- 👤 Curran Lawrence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:02
CPC Classifications
B; B24; B24B; B24B53/00; B24B53/12; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1526; Y10T74/1553; Y10T74/1555
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US431855A
Cited
US2466199A
Cited
US2333939A
Cited
US2505684A
Cited
US2629368A
Cited
US2628608A
Cited
US2644442A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-07-03 | 1960-01-02 | 1960-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-03 | 1964-01-02 | 1964-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-03 | 1968-01-02 | 1968-07-03 | $7700.00 | Window Closed / Lapsed |