US1753382A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automobile body heater
Assignee: Perfex Corp
•
Filing: 1929-01-28
•
Granted: 1930-04-08
•
Expires: 1949-01-28
Abstract
No abstract record available.
Inventors
- 👤 Daniel T Macleod
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:38
CPC Classifications
B; B60; B60H; B60H1/00; B60H1/00457; Y; Y10; Y10S; Y10S165/00; Y10S165/228; Y10S165/302; Y10S165/311; Y10S165/313
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) | 1933-04-07 | 1933-10-07 | 1934-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-04-07 | 1937-10-07 | 1938-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-04-07 | 1941-10-07 | 1942-04-08 | $7700.00 | Window Closed / Lapsed |