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Patent US2264848A successfully refreshed from Google Patents.
US2264848A
Expired / Lapsed
US
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Air-conditioning apparatus for closed automobiles
Assignee: Individual
•
Filing: 1939-09-05
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Granted: 1941-12-02
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Expires: 1959-09-05
Abstract
No abstract record available.
Inventors
- 👤 Joseph D Kahl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:23
CPC Classifications
B; B60; B60H; B60H1/00; B60H1/00007
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1944-12-01 | 1945-06-02 | 1945-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-12-01 | 1949-06-02 | 1949-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-12-01 | 1953-06-02 | 1953-12-02 | $7700.00 | Window Closed / Lapsed |