US2984083A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refrigerating and defrosting system
Assignee: REVCO Inc
•
Filing: 1959-03-05
•
Granted: 1961-05-16
•
Expires: 1979-03-05
Abstract
No abstract record available.
Inventors
- 👤 Frank P Crotser
- 👤 Carl E Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:04
CPC Classifications
F; F25; F25B; F25B47/00; F25B47/02; F25B47/022
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2247950A
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US2384210A
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US2430960A
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US2801523A
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US2876630A
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US2882696A
Cited
US2928256A
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US2895307A
Cited
US2907184A
Cited
US2907181A
Cited
US2909907A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-15 | 1964-11-14 | 1965-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-15 | 1968-11-14 | 1969-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-15 | 1972-11-14 | 1973-05-16 | $7700.00 | Window Closed / Lapsed |