Patent US2831956A successfully refreshed from Google Patents.
US2831956A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Domestic appliance
Assignee: Motors Liquidation Co
•
Filing: 1954-01-19
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Granted: 1958-04-22
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Expires: 1974-01-19
Abstract
No abstract record available.
Inventors
- 👤 Millard E Fry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:53
CPC Classifications
F; F24; F24C; F24C15/00; F24C15/18; F24C15/10; F24C15/102
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1291423A
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US2164813A
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US2119421A
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US2430582A
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GB511445A
Cited
US2314467A
Cited
US2425271A
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US2485698A
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US2505898A
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DE801172C
Cited
US2695352A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-21 | 1961-10-21 | 1962-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-21 | 1965-10-21 | 1966-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-21 | 1969-10-21 | 1970-04-22 | $7700.00 | Window Closed / Lapsed |