Patent US2466846A successfully refreshed from Google Patents.
US2115472A
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Automobile air conditioning means
Assignee: CAMPBELL METAL WINDOW Corp
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Filing: 1933-08-08
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Granted: 1938-04-26
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Expires: 1953-08-08
Abstract
No abstract record available.
Inventors
- 👤 Sargent John Allston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:33
CPC Classifications
B; B60; B60H; B60H1/00; B60H1/00007; B60H1/00207; B60H3/00; B60H3/06; B60H3/0608; B60H2003/0691
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) | 1941-04-25 | 1941-10-25 | 1942-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-04-25 | 1945-10-25 | 1946-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-04-25 | 1949-10-25 | 1950-04-26 | $7700.00 | Window Closed / Lapsed |