US2697142A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Pass and Seymour Inc
•
Filing: 1951-09-05
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Granted: 1954-12-14
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Expires: 1971-09-05
Abstract
No abstract record available.
Inventors
- 👤 Victor R Despard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:08
CPC Classifications
H; H01; H01H; H01H21/00; H01H21/02; H01H21/18; H01H21/36; H01H21/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1200847A
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FR841630A
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US2583756A
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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) | 1957-12-13 | 1958-06-14 | 1958-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-13 | 1962-06-14 | 1962-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-13 | 1966-06-14 | 1966-12-14 | $7700.00 | Window Closed / Lapsed |