US3057604A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary regenerator
Assignee: Motors Liquidation Co
•
Filing: 1956-01-16
•
Granted: 1962-10-09
•
Expires: 1976-01-16
Abstract
No abstract record available.
Inventors
- 👤 William C Bubniak
- 👤 Roger W Haushalter
- 👤 James M Ricketts
- 👤 William A Turunen
- 👤 Paul T Vickers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:03
CPC Classifications
F; F28; F28D; F28D19/00; F28D19/04; F02; F02C; F02C7/00; F02C7/08; F02C7/10; F02C7/105; F28D19/047; Y; Y10; Y10S; Y10S165/00; Y10S165/009; Y10S165/013; Y10S165/016; Y10S165/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2517470A
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US2667034A
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US2605646A
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US2747843A
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US2631870A
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GB704857A
Cited
US2743945A
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US2803508A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-08 | 1966-04-09 | 1966-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-08 | 1970-04-09 | 1970-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-08 | 1974-04-09 | 1974-10-09 | $7700.00 | Window Closed / Lapsed |