US2444537A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automotive air conditioning apparatus
Assignee: Individual
•
Filing: 1944-06-02
•
Granted: 1948-07-06
•
Expires: 1964-06-02
Abstract
No abstract record available.
Inventors
- 👤 George E Seldon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:29
CPC Classifications
B; B60; B60H; B60H1/00; B60H1/32; B60H1/3204
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1608982A
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US1791964A
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US1987604A
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US2078804A
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US1985636A
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US2087411A
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US2075647A
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US2183452A
Cited
US2352734A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-07-06 | 1952-01-05 | 1952-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-07-06 | 1956-01-05 | 1956-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-07-06 | 1960-01-05 | 1960-07-06 | $7700.00 | Window Closed / Lapsed |