US2634057A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Car heater control
Assignee: Vernay Laboratories Inc
•
Filing: 1949-04-13
•
Granted: 1953-04-07
•
Expires: 1969-04-13
Abstract
No abstract record available.
Inventors
- 👤 Allan C Hoffman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:25
CPC Classifications
B; B60; B60H; B60H1/00; B60H1/00485
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1906994A
Cited
US1850963A
Cited
US2019303A
Cited
US2065148A
Cited
US2075498A
Cited
US2213018A
Cited
US2300011A
Cited
US2273000A
Cited
US2470503A
Cited
US2480676A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-06 | 1956-10-06 | 1957-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-06 | 1960-10-06 | 1961-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-06 | 1964-10-06 | 1965-04-07 | $7700.00 | Window Closed / Lapsed |