Patent US2850613A successfully refreshed from Google Patents.
US2850613A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Domestic appliance
Assignee: Motors Liquidation Co
•
Filing: 1955-02-10
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Granted: 1958-09-02
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Expires: 1975-02-10
Abstract
No abstract record available.
Inventors
- 👤 Francis H Mccormick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:04
CPC Classifications
F; F24; F24C; F24C15/00; F24C15/10; F24C15/102; F24C15/103
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1584281A
Cited
US2207307A
Cited
US2502988A
Cited
US2722592A
Cited
US2738411A
Cited
US2556106A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-01 | 1962-03-03 | 1962-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-01 | 1966-03-03 | 1966-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-01 | 1970-03-03 | 1970-09-02 | $7700.00 | Window Closed / Lapsed |