US3231972A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cutting tool for removing nuts frozen to studs
Assignee: ANNESE
•
Filing: 1963-10-04
•
Granted: 1966-02-01
•
Expires: 1983-10-04
Abstract
No abstract record available.
Inventors
- 👤 Annese Orlando John
- 👤 John E Duplin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:42
CPC Classifications
B; B23; B23C; B23C1/00; B23C1/20; B23C5/00; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49815; Y10T29/49821
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) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |