US2609510A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic heating control system
Assignee: PADEVCO Inc
•
Filing: 1945-08-06
•
Granted: 1952-09-02
•
Expires: 1965-08-06
Abstract
No abstract record available.
Inventors
- 👤 Raymond M Wilmotte
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:53
CPC Classifications
H; H03; H03H; H03H7/00; H03H7/38; H03H7/40; H05; H05B; H05B6/00; H05B6/46; H05B6/48; H05B6/50
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) | 1955-09-02 | 1956-03-03 | 1956-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-02 | 1960-03-03 | 1960-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-02 | 1964-03-03 | 1964-09-02 | $7700.00 | Window Closed / Lapsed |