US3274531A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical connector
Assignee: Sierra Electric Corp
•
Filing: 1964-03-16
•
Granted: 1966-09-20
•
Expires: 1984-03-16
Abstract
No abstract record available.
Inventors
- 👤 Francis K Bourhenne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 03:10
CPC Classifications
H; H01; H01R; H01R4/00; H01R4/24; H01R4/2404; H01R13/00; H01R13/64
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1194122A
Cited
US1059650A
Cited
US1898359A
Cited
US2020015A
Cited
US2745077A
Cited
US3099505A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |