US2990693A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refrigerator system
Assignee: CIE IND DES PROCEDES RAOUL PIC
•
Filing: 1958-08-07
•
Granted: 1961-07-04
•
Expires: 1978-08-07
Abstract
No abstract record available.
Inventors
- 👤 Marcel E Houplain
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:47
CPC Classifications
F; F28; F28D; F28D15/00; F25; F25D; F25D16/00; F28D15/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1700429A
Cited
US1744968A
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US2142828A
Cited
DE651939C
Cited
US2022764A
Cited
US2095008A
Cited
US2142856A
Cited
US2083396A
Cited
US2146058A
Cited
US2219789A
Cited
US2674101A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-03 | 1965-01-02 | 1965-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-03 | 1969-01-02 | 1969-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-03 | 1973-01-02 | 1973-07-04 | $7700.00 | Window Closed / Lapsed |