US2801802A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automobile heating system
Assignee: Individual
•
Filing: 1953-08-31
•
Granted: 1957-08-06
•
Expires: 1973-08-31
Abstract
No abstract record available.
Inventors
- 👤 Glen C Jackson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:56
CPC Classifications
B; B60; B60H; B60H1/00; B60H1/00642; B60H1/00735; B60H1/0075
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2019991A
Cited
US2159284A
Cited
US2243562A
Cited
US2201916A
Cited
US2226612A
Cited
US2230051A
Cited
US2357404A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-05 | 1961-02-04 | 1961-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-05 | 1965-02-04 | 1965-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-05 | 1969-02-04 | 1969-08-06 | $7700.00 | Window Closed / Lapsed |