US2959656A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mercury feed-through cord switch
Assignee: General Electric Co
•
Filing: 1958-03-04
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Granted: 1960-11-08
•
Expires: 1978-03-04
Abstract
No abstract record available.
Inventors
- 👤 Arthur R Bentsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:46
CPC Classifications
H; H01; H01H; H01H1/00; H01H1/58; H01H1/5844; H01H1/585; H01H23/00; H01H23/02; H01H23/025; H01H29/00; H01H29/20; H01H9/00; H01H9/02; H01H9/0214; H01H9/0228
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-08 | 1964-05-09 | 1964-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-08 | 1968-05-09 | 1968-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-08 | 1972-05-09 | 1972-11-08 | $7700.00 | Window Closed / Lapsed |