US2746264A
Expired / Lapsed
US
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Miniature cooling unit
Assignee: ALFRED BICKNELL ASSOCIATES Inc
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Filing: 1953-07-17
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Granted: 1956-05-22
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Expires: 1973-07-17
Abstract
No abstract record available.
Inventors
- 👤 Frederick G Keyes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:52
CPC Classifications
A; A61; A61M; A61M19/00; A61B; A61B18/00; A61B18/02; A61M5/00; A61M5/42; A61M5/422; F; F25; F25D; F25D3/00; F25D3/10; F25D3/107; A61B5/00; A61B5/15; A61B5/150007; A61B5/150053; A61B5/150106; A61B5/150129; A61M2205/00; A61M2205/36; A61M2205/3606
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-22 | 1959-11-21 | 1960-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-22 | 1963-11-21 | 1964-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-22 | 1967-11-21 | 1968-05-22 | $7700.00 | Window Closed / Lapsed |