US2589031A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and apparatus for controlling temperature of trailer cargo and the like
Assignee: Individual
•
Filing: 1950-01-18
•
Granted: 1952-03-11
•
Expires: 1970-01-18
Abstract
No abstract record available.
Inventors
- 👤 Rollin F Allyne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:19
CPC Classifications
F; F25; F25D; F25D3/00; F25D3/12; F25D3/125; B; B60; B60H; B60H1/00; B60H1/32; B60H1/3235
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-11 | 1955-09-10 | 1956-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-11 | 1959-09-10 | 1960-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-11 | 1963-09-10 | 1964-03-11 | $7700.00 | Window Closed / Lapsed |