US2883482A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Printed circuit switch
Assignee: Duracell Inc USA
•
Filing: 1956-05-03
•
Granted: 1959-04-21
•
Expires: 1976-05-03
Abstract
No abstract record available.
Inventors
- 👤 Huetten Clarence
- 👤 Floyd C Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:16
CPC Classifications
H; H01; H01H; H01H19/00; H01H19/54; H01H19/56; H01H19/563; H01H19/58; H01H19/585; H01H19/02; H01H19/10; H01H19/11
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2075436A
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US2297652A
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US2508101A
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US2710323A
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US2604554A
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US2678985A
Cited
US2675436A
Cited
US2817722A
Cited
US2821580A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-20 | 1962-10-20 | 1963-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-20 | 1966-10-20 | 1967-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-20 | 1970-10-20 | 1971-04-21 | $7700.00 | Window Closed / Lapsed |