US2693134A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hole and slot cutter
Assignee: Individual
•
Filing: 1950-12-18
•
Granted: 1954-11-02
•
Expires: 1970-12-18
Abstract
No abstract record available.
Inventors
- 👤 Robert F Mole
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:32
CPC Classifications
B; B23; B23B; B23B47/00; B23B47/28; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/306216; Y10T409/306384; Y10T409/30644; Y10T409/306552; Y10T409/306608
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-11-01 | 1958-05-03 | 1958-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-01 | 1962-05-03 | 1962-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-01 | 1966-05-03 | 1966-11-02 | $7700.00 | Window Closed / Lapsed |