Patent US3229765A successfully refreshed from Google Patents.
US3229765A
Expired / Lapsed
US
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Refrigerated enclosure wall assembly and method of making
Assignee: Whirlpool Corp
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Filing: 1962-05-07
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Granted: 1966-01-18
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Expires: 1982-05-07
Abstract
No abstract record available.
Inventors
- 👤 Raymond L Phillips
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:34
CPC Classifications
F; F25; F25D; F25D23/00; F25D23/06; F25D23/061; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4935; Y10T29/49359
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
35 words
A LINER FOR A REFRIGERATED ENCLOSURE, COMPRISING: A CONTINUOUS METAL WALL ASSEMBLY HAVING A CIRCUMFERENCE AND PRESTRESSED IN THE DIRECTION OF SAID CIRCUMFERENCE TO BEYOND THE YIELD POINT OF SAID METAL; AND A METAL REFRIG-
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) | 1969-01-17 | 1969-07-19 | 1970-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-17 | 1973-07-19 | 1974-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-17 | 1977-07-19 | 1978-01-18 | $7700.00 | Window Closed / Lapsed |