US2480986A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermostatic radiator valve
Assignee: Motors Liquidation Co
•
Filing: 1947-05-29
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Granted: 1949-09-06
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Expires: 1967-05-29
Abstract
No abstract record available.
Inventors
- 👤 Walker Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:52
CPC Classifications
F; F01; F01P; F01P3/00; F01P3/22; F01P3/2207; F01P11/00; F01P11/02; F01P11/0204; F01P11/0209; F01P11/0238; F01P11/14; F01P11/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-09-05 | 1953-03-07 | 1953-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-05 | 1957-03-07 | 1957-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-05 | 1961-03-07 | 1961-09-06 | $7700.00 | Window Closed / Lapsed |