US2771591A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical drawbolt type connector with constant load washer
Assignee: AB Chance Co
•
Filing: 1953-05-25
•
Granted: 1956-11-20
•
Expires: 1973-05-25
Abstract
No abstract record available.
Inventors
- 👤 Oliver A Vordtriede
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:15
CPC Classifications
H; H01; H01R; H01R4/00; H01R4/58; H01R4/62; Y; Y10; Y10S; Y10S411/00; Y10S411/916; Y10S411/955; Y10S411/956; Y10S411/96; Y10S411/999; Y10T; Y10T24/00; Y10T24/34; Y10T24/3427; Y10T24/3439; Y10T403/00; Y10T403/71; Y10T403/7129; Y10T403/7135
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1979091A
Cited
US2000688A
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US2253550A
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US2325193A
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US2274422A
Cited
US2384386A
Cited
US2432635A
Cited
US2574776A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-20 | 1960-05-21 | 1960-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-20 | 1964-05-21 | 1964-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-20 | 1968-05-21 | 1968-11-20 | $7700.00 | Window Closed / Lapsed |