Patent US2030350A successfully refreshed from Google Patents.
US2030350A
Expired / Lapsed
US
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Solar operated refrigerating system
Assignee: CARL G FISHER
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Filing: 1933-04-10
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Granted: 1936-02-11
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Expires: 1953-04-10
Abstract
No abstract record available.
Inventors
- 👤 Albert T Bremser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:18
CPC Classifications
F; F25; F25B; F25B27/00; F25B27/002; F25B27/007; F24; F24S; F24S10/00; F24S10/70; F24S10/75; F24S10/755; F25B15/00; F25B15/10; Y; Y02; Y02E; Y02E10/00; Y02E10/40; Y02E10/44
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1939-02-10 | 1939-08-12 | 1940-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-02-10 | 1943-08-12 | 1944-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-02-10 | 1947-08-12 | 1948-02-11 | $7700.00 | Window Closed / Lapsed |