US2701965A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Maintenance of conductivity in electrical distribution systems
Assignee: Individual
•
Filing: 1946-12-31
•
Granted: 1955-02-15
•
Expires: 1966-12-31
Abstract
No abstract record available.
Inventors
- 👤 Sherman Alex
- 👤 Sherman Arnold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:34
CPC Classifications
G; G01; G01R; G01R1/00; G01R1/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1750699A
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US2218629A
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US2215910A
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US2232715A
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US2310335A
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US2411522A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-02-14 | 1958-08-16 | 1959-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-02-14 | 1962-08-16 | 1963-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-02-14 | 1966-08-16 | 1967-02-15 | $7700.00 | Window Closed / Lapsed |