US3431645A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrician's tool for removing insulation from wires
Assignee: Individual
•
Filing: 1967-05-29
•
Granted: 1969-03-11
•
Expires: 1987-05-29
Abstract
No abstract record available.
Inventors
- 👤 Alfred H Powell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:26
CPC Classifications
H; H02; H02G; H02G1/00; H02G1/12; H02G1/1202; H02G1/1204; H02G1/1229
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1153286A
Cited
FR602245A
Cited
US1692030A
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US1689376A
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US1806484A
Cited
US2401149A
Cited
CH273517A
Cited
US2737069A
Cited
US2776480A
Cited
US3253286A
Cited
US3241407A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-10 | 1972-09-09 | 1973-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-10 | 1976-09-09 | 1977-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-10 | 1980-09-09 | 1981-03-11 | $7700.00 | Window Closed / Lapsed |