US3382915A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary regenerator
Assignee: Motors Liquidation Co
•
Filing: 1965-05-17
•
Granted: 1968-05-14
•
Expires: 1985-05-17
Abstract
No abstract record available.
Inventors
- 👤 William A Turunen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 00:57
CPC Classifications
F; F28; F28D; F28D19/00; F28D19/04; F28D19/041; F28D19/042; Y; Y10; Y10S; Y10S165/00; Y10S165/009; Y10S165/013; Y10S165/016; Y10S165/02; Y10S165/024
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2419906A
Cited
US2937010A
Cited
US3057604A
Cited
US2888248A
Cited
US3180402A
Cited
US3251403A
Cited
US3294156A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-14 | 1971-11-13 | 1972-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-14 | 1975-11-13 | 1976-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-14 | 1979-11-13 | 1980-05-14 | $7700.00 | Window Closed / Lapsed |