US3504331A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Socket contact for electrical connectors
Assignee: CO OPERATIVE IND Inc
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Filing: 1968-01-31
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Granted: 1970-03-31
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Expires: 1988-01-31
Abstract
No abstract record available.
Inventors
- 👤 Franklin T Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:01
CPC Classifications
H; H01; H01R; H01R13/00; H01R13/02; H01R13/15
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) | 1973-03-30 | 1973-09-29 | 1974-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-30 | 1977-09-29 | 1978-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-30 | 1981-09-29 | 1982-03-31 | $7700.00 | Window Closed / Lapsed |