US2985736A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reversible contact structure
Assignee: Allen Bradley Co LLC
•
Filing: 1959-06-08
•
Granted: 1961-05-23
•
Expires: 1979-06-08
Abstract
No abstract record available.
Inventors
- 👤 Theodore R Coker
- 👤 Swanstrom Amol Harvey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:06
CPC Classifications
H; H01; H01H; H01H1/00; H01H1/12; H01H1/14; H01H1/20; H01H1/2008; H01H11/00; H01H11/0006; H01H11/0012
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2773948A
Cited
US2859302A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-22 | 1964-11-21 | 1965-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-22 | 1968-11-21 | 1969-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-22 | 1972-11-21 | 1973-05-23 | $7700.00 | Window Closed / Lapsed |