Patent US2705623A successfully refreshed from Google Patents.
US2705623A
Expired / Lapsed
US
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Automobile air conditioning apparatus and drive therefor
Assignee: Individual
•
Filing: 1952-11-17
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Granted: 1955-04-05
•
Expires: 1972-11-17
Abstract
No abstract record available.
Inventors
- 👤 Glassenhart Alfons
- 👤 William J Stolz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:20
CPC Classifications
B; B60; B60H; B60H1/00; B60H1/32; B60H1/3202; Y; Y10; Y10S; Y10S261/00; Y10S261/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1574094A
Cited
US2162512A
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US2169664A
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US2148161A
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US2184488A
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US2237497A
Cited
US2314463A
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US2364249A
Cited
US2517721A
Cited
US2631021A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-04-04 | 1958-10-04 | 1959-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-04-04 | 1962-10-04 | 1963-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-04-04 | 1966-10-04 | 1967-04-05 | $7700.00 | Window Closed / Lapsed |