US2150110A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Car heater and defroster
Assignee: ALFEO TESTOLIN
•
Filing: 1937-02-20
•
Granted: 1939-03-07
•
Expires: 1957-02-20
Abstract
No abstract record available.
Inventors
- 👤 Bernhard E Strauss
- 👤 Faultersack Hubert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:48
CPC Classifications
B; B60; B60S; B60S1/00; B60S1/02; B60S1/54; B60H; B60H1/00; B60H1/24; B60H1/247; B60S1/56
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1942-03-06 | 1942-09-05 | 1943-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-03-06 | 1946-09-05 | 1947-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-03-06 | 1950-09-05 | 1951-03-07 | $7700.00 | Window Closed / Lapsed |