Patent US1549705A successfully refreshed from Google Patents.
US3427005A
Expired / Lapsed
US
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Precooler
Assignee: EDWARD A KUYKENDALL
•
Filing: 1967-04-17
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Granted: 1969-02-11
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Expires: 1987-04-17
Abstract
No abstract record available.
Inventors
- 👤 Edward A Kuykendall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:46
CPC Classifications
F; F25; F25B; F25B39/00; F25B39/04; F25B2339/00; F25B2339/04; F25B2339/041; Y; Y10; Y10S; Y10S261/00; Y10S261/44
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2197004A
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US2323511A
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US2356757A
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US2429265A
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US2637540A
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US2655795A
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US2725729A
Cited
US3108451A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-11 | 1972-08-12 | 1973-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-11 | 1976-08-12 | 1977-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-11 | 1980-08-12 | 1981-02-11 | $7700.00 | Window Closed / Lapsed |