US2860402A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cutting tool holder
Assignee: Individual
•
Filing: 1954-06-09
•
Granted: 1958-11-18
•
Expires: 1974-06-09
Abstract
No abstract record available.
Inventors
- 👤 John R Proksa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:35
CPC Classifications
B; B23; B23B; B23B27/00; B23B27/14; B23B27/16; B23B27/22; Y; Y10; Y10T; Y10T407/00; Y10T407/11; Y10T407/112; Y10T407/114; Y10T407/116; Y10T407/118; Y10T407/22; Y10T407/2222
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB453173A
Cited
US2181023A
Cited
US2270387A
Cited
US2457469A
Cited
FR989306A
Cited
FR989307A
Cited
US2659963A
Cited
FR1041370A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-17 | 1962-05-19 | 1962-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-17 | 1966-05-19 | 1966-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-17 | 1970-05-19 | 1970-11-18 | $7700.00 | Window Closed / Lapsed |