Patent US2827774A successfully refreshed from Google Patents.
US2827774A
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Integral evaporator and accumulator and method of operating the same
Assignee: Avco Manufacturing Corp
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Filing: 1955-03-10
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Granted: 1958-03-25
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Expires: 1975-03-10
Abstract
No abstract record available.
Inventors
- 👤 Dunkelman Arnold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:47
CPC Classifications
F; F25; F25B; F25B39/00; F25B39/02; F25B39/022; F25B39/024; F28; F28F; F28F3/00; F28F3/12; F28F3/14; F25B43/00; F25B43/006; F28F2210/00; F28F2210/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2371215A
Cited
US1758073A
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US2161293A
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US2496558A
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US2619811A
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US2712736A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-24 | 1961-09-23 | 1962-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-24 | 1965-09-23 | 1966-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-24 | 1969-09-23 | 1970-03-25 | $7700.00 | Window Closed / Lapsed |