Patent US2956752A successfully refreshed from Google Patents.
Patent US3001384A successfully refreshed from Google Patents.
US3001384A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Space coolers
Assignee: Individual
•
Filing: 1957-06-14
•
Granted: 1961-09-26
•
Expires: 1977-06-14
Abstract
No abstract record available.
Inventors
- 👤 Roy R Hanson
- 👤 Elmer A Braden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:15
CPC Classifications
F; F25; F25B; F25B3/00; F24; F24F; F24F5/00; F24F5/0007; F24F5/001
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1155780A
Cited
US1584243A
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CH162557A
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US2056023A
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US2229500A
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US2415011A
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US2449888A
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US2522781A
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US2440593A
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US2609672A
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US2898032A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-25 | 1965-03-27 | 1965-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-25 | 1969-03-27 | 1969-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-25 | 1973-03-27 | 1973-09-26 | $7700.00 | Window Closed / Lapsed |