Patent US2559356A successfully refreshed from Google Patents.
US2559356A
Expired / Lapsed
US
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Method and apparatus for insulating refrigerators and the like
Assignee: Johns Manville Corp
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Filing: 1945-04-28
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Granted: 1951-07-03
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Expires: 1965-04-28
Abstract
No abstract record available.
Inventors
- 👤 Lee M Hedges
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:08
CPC Classifications
F; F25; F25D; F25D23/00; F25D23/06; F25D23/062; F25D23/064
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US870215A
Cited
US2128336A
Cited
US2318744A
Cited
US2429059A
Cited
US2390438A
Cited
US2439605A
Cited
US2439603A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-02 | 1955-01-01 | 1955-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-02 | 1959-01-01 | 1959-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-02 | 1963-01-01 | 1963-07-03 | $7700.00 | Window Closed / Lapsed |