US2836113A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heating and ventilating system or apparatus for vehicles
Assignee: Motors Liquidation Co
•
Filing: 1953-11-18
•
Granted: 1958-05-27
•
Expires: 1973-11-18
Abstract
No abstract record available.
Inventors
- 👤 Seyfarth Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:25
CPC Classifications
B; B60; B60H; B60H1/00; B60H1/00642; B60H1/00664; B60H1/00671; B60H1/00678; B60H1/00007; B60H1/00021; B60H2001/00721
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US510790A
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US2203477A
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US2237477A
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US2306796A
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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) | 1961-05-26 | 1961-11-25 | 1962-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-26 | 1965-11-25 | 1966-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-26 | 1969-11-25 | 1970-05-27 | $7700.00 | Window Closed / Lapsed |