US2430759A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air-conditioning system for motor vehicles
Assignee: Individual
•
Filing: 1945-01-27
•
Granted: 1947-11-11
•
Expires: 1965-01-27
Abstract
No abstract record available.
Inventors
- 👤 George W Crise
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:08
CPC Classifications
B; B60; B60H; B60H1/00; B60H1/00007; B60H1/00021; B60H1/00035; B60H1/00042; B60H1/02; B60H1/04; B60H1/06; B60H2001/00078; B60H2001/00085; B60H1/00207; B60H2001/00214; B60H3/00; B60H3/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1361567A
Cited
US1446725A
Cited
US1870374A
Cited
US1875637A
Cited
GB425830A
Cited
FR777253A
Cited
US2257967A
Cited
US2264945A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-11-10 | 1951-05-12 | 1951-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-11-10 | 1955-05-12 | 1955-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-11-10 | 1959-05-12 | 1959-11-11 | $7700.00 | Window Closed / Lapsed |