US3266128A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making a heat exchanger
Assignee: Motors Liquidation Co
•
Filing: 1965-02-18
•
Granted: 1966-08-16
•
Expires: 1985-02-18
Abstract
No abstract record available.
Inventors
- 👤 James W Jacobs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:02
CPC Classifications
F; F28; F28F; F28F1/00; F28F1/10; F28F1/12; F28F1/24; F28F1/26; F28F1/28; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4935; Y10T29/49359; Y10T29/49366
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB190906541A
Cited
AT77985B
Cited
US1731575A
Cited
US1787942A
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GB371605A
Cited
US1954638A
Cited
US2045657A
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GB672709A
Cited
US2959402A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |