US2989723A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Terminal means
Assignee: Motors Liquidation Co
•
Filing: 1959-08-13
•
Granted: 1961-06-20
•
Expires: 1979-08-13
Abstract
No abstract record available.
Inventors
- 👤 Joseph H Hopkins
- 👤 Allan S Van Slyke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:50
CPC Classifications
H; H01; H01R; H01R13/00; H01R13/40; H01R13/42; H01R13/428; H01R13/432; H01R13/422
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) | 1964-06-19 | 1964-12-19 | 1965-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-19 | 1968-12-19 | 1969-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-19 | 1972-12-19 | 1973-06-20 | $7700.00 | Window Closed / Lapsed |