Patent US2951352A successfully refreshed from Google Patents.
US2951352A
Expired / Lapsed
US
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Cooling devices
Assignee: INTERCONTINENTAL Manufacturing Co I
•
Filing: 1956-10-08
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Granted: 1960-09-06
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Expires: 1976-10-08
Abstract
No abstract record available.
Inventors
- 👤 Ralph A Nicholson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:06
CPC Classifications
F; F25; F25D; F25D31/00; F25D31/002
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1878772A
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US1881725A
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US2126687A
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US2091074A
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US2391003A
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US2492950A
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US2477210A
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US2563935A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-06 | 1964-03-07 | 1964-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-06 | 1968-03-07 | 1968-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-06 | 1972-03-07 | 1972-09-06 | $7700.00 | Window Closed / Lapsed |