US3055191A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cooling device
Assignee: Specialties Development Corp
•
Filing: 1960-12-01
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Granted: 1962-09-25
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Expires: 1980-12-01
Abstract
No abstract record available.
Inventors
- 👤 David H Dennis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:54
CPC Classifications
F; F25; F25J; F25J1/00; F25J1/02; F25J1/0243; F25J1/0257; F25J1/0275; F25J1/0276; F25B; F25B9/00; F25B9/02; F25D; F25D3/00; F25D3/12; G; G01; G01J; G01J5/00; G01J5/02; G01J5/06; G01J5/061
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2952141A
Cited
US2951944A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-24 | 1966-03-26 | 1966-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-24 | 1970-03-26 | 1970-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-24 | 1974-03-26 | 1974-09-25 | $7700.00 | Window Closed / Lapsed |