US2842632A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1956-11-30
•
Granted: 1958-07-08
•
Expires: 1976-11-30
Abstract
No abstract record available.
Inventors
- 👤 William R Edwards
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:28
CPC Classifications
H; H01; H01H; H01H5/00; H01H5/04; H01H5/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE244851C
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US1300498A
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US1677710A
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US2354635A
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GB588543A
Cited
US2479313A
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US2599437A
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US2666836A
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US2658972A
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US2717933A
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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) | 1961-07-07 | 1962-01-06 | 1962-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-07 | 1966-01-06 | 1966-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-07 | 1970-01-06 | 1970-07-08 | $7700.00 | Window Closed / Lapsed |