US3477061A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Contact retention device
Assignee: Bunker Ramo Corp
•
Filing: 1966-06-20
•
Granted: 1969-11-04
•
Expires: 1986-06-20
Abstract
No abstract record available.
Inventors
- 👤 Constantine Dean Stephenson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:02
CPC Classifications
H; H01; H01R; H01R13/00; H01R13/40; H01R13/42; H01R13/424; H01R13/46; H01R13/502
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1152005A
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US2683287A
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US2724093A
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US2703870A
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US2881479A
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US2850712A
Cited
US3125395A
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US3090937A
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US3165369A
Cited
US3182280A
Cited
US3252127A
Cited
US3217285A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-03 | 1973-05-05 | 1973-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-03 | 1977-05-05 | 1977-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-03 | 1981-05-05 | 1981-11-04 | $7700.00 | Window Closed / Lapsed |