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Patent US3383872A successfully refreshed from Google Patents.
US3383872A
Expired / Lapsed
US
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Device for producing cold with cold loss prevention means
Assignee: US Philips Corp
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Filing: 1966-11-16
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Granted: 1968-05-21
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Expires: 1986-11-16
Abstract
No abstract record available.
Inventors
- 👤 Kohler Jacob Willem Laurens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:02
CPC Classifications
F; F25; F25B; F25B9/00; F25B9/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2857220A
Cited
US2907175A
Cited
US3145629A
Cited
US3214924A
Cited
US3292501A
Cited
US3218815A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-21 | 1971-11-20 | 1972-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-21 | 1975-11-20 | 1976-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-21 | 1979-11-20 | 1980-05-21 | $7700.00 | Window Closed / Lapsed |