Patent US2867994A successfully refreshed from Google Patents.
US2867994A
Expired / Lapsed
US
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Refrigeration apparatus
Assignee: Creamery Package Manufacturing Co
•
Filing: 1955-12-14
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Granted: 1959-01-13
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Expires: 1975-12-14
Abstract
No abstract record available.
Inventors
- 👤 Alden H Wakeman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:55
CPC Classifications
A; A23; A23G; A23G9/00; A23G9/04; A23G9/22; A23G9/224; A23G9/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2056431A
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US2132364A
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US2210366A
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US2211387A
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US2281944A
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US2278340A
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US2316845A
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US2535462A
Cited
US2689113A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-12 | 1962-07-14 | 1963-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-12 | 1966-07-14 | 1967-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-12 | 1970-07-14 | 1971-01-13 | $7700.00 | Window Closed / Lapsed |