US3462965A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fan speed control for refrigeration system
Assignee: Trane US Inc
•
Filing: 1968-08-19
•
Granted: 1969-08-26
•
Expires: 1988-08-19
Abstract
No abstract record available.
Inventors
- 👤 Robert G Miner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 00:04
CPC Classifications
B; B60; B60H; B60H1/00; B60H1/00642; B60H1/00735; B60H1/00764; B60H1/00814; B60H1/00821; B60H1/00828; F; F25; F25D; F25D29/00; F25D29/003
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3152455A
Cited
US3214931A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-25 | 1973-02-24 | 1973-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-25 | 1977-02-24 | 1977-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-25 | 1981-02-24 | 1981-08-26 | $7700.00 | Window Closed / Lapsed |