US2634589A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for precooling transportation vehicles
Assignee: SOUTHERN AIR CONDITIONING Corp
•
Filing: 1949-09-12
•
Granted: 1953-04-14
•
Expires: 1969-09-12
Abstract
No abstract record available.
Inventors
- 👤 Wilson Broadus
- 👤 M Hincz Hipolit
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:59
CPC Classifications
F; F25; F25D; F25D15/00; B; B61; B61D; B61D27/00; B61D27/0018; B61D27/0027; B61D27/0072; B61D27/0081
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2115344A
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US2293360A
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US2293316A
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US2240377A
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US2257221A
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US2346931A
Cited
US2538382A
Cited
US2477250A
Cited
US2523749A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-13 | 1956-10-13 | 1957-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-13 | 1960-10-13 | 1961-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-13 | 1964-10-13 | 1965-04-14 | $7700.00 | Window Closed / Lapsed |