US2586689A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automobile heater structure
Assignee: Novi Equipment Co
•
Filing: 1947-02-17
•
Granted: 1952-02-19
•
Expires: 1967-02-17
Abstract
No abstract record available.
Inventors
- 👤 Merritt A Mieras
- 👤 Alfred F Millington
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:58
CPC Classifications
B; B60; B60H; B60H1/00; B60H1/02; B60H1/04; B60H1/08; B60H1/10; B60H1/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2177870A
Cited
US2146845A
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US2228550A
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US2308887A
Cited
US2264945A
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US2430759A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-18 | 1955-08-20 | 1956-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-18 | 1959-08-20 | 1960-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-18 | 1963-08-20 | 1964-02-19 | $7700.00 | Window Closed / Lapsed |