Patent US2647309A successfully refreshed from Google Patents.
US2647309A
Expired / Lapsed
US
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Cable insulation cutter
Assignee: Individual
•
Filing: 1950-05-22
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Granted: 1953-08-04
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Expires: 1970-05-22
Abstract
No abstract record available.
Inventors
- 👤 Ernest F Chisena
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:45
CPC Classifications
H; H02; H02G; H02G1/00; H02G1/12; H02G1/1202; H02G1/1204; H02G1/1207; H02G1/1217
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US927345A
Cited
US1801311A
Cited
US1798683A
Cited
US1835597A
Cited
US2346227A
Cited
US2374753A
Cited
US2391722A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-03 | 1957-02-02 | 1957-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-03 | 1961-02-02 | 1961-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-03 | 1965-02-02 | 1965-08-04 | $7700.00 | Window Closed / Lapsed |