US2905774A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical contacting device
Assignee: General Dynamics Corp
•
Filing: 1957-08-01
•
Granted: 1959-09-22
•
Expires: 1977-08-01
Abstract
No abstract record available.
Inventors
- 👤 Julian E Hansen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:38
CPC Classifications
H; H01; H01H; H01H19/00; H01H19/54; H01H19/56; H01H19/58; H01H19/585; H01H3/00; H01H3/004
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB260255A
Cited
US947736A
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US1705238A
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US2312980A
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US2665343A
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US2698884A
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US2611051A
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US2744972A
Cited
US2740006A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-21 | 1963-03-23 | 1963-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-21 | 1967-03-23 | 1967-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-21 | 1971-03-23 | 1971-09-22 | $7700.00 | Window Closed / Lapsed |