Patent US2954877A successfully refreshed from Google Patents.
US2954877A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Racks for commercial refrigeration systems
Assignee: Individual
•
Filing: 1957-03-13
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Granted: 1960-10-04
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Expires: 1977-03-13
Abstract
No abstract record available.
Inventors
- 👤 Stanley J Sweynor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:04
CPC Classifications
F; F25; F25D; F25D19/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US865268A
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US1072526A
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US1252816A
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US1492309A
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US1745784A
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US1737971A
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US2128854A
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US2247028A
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US2727364A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-04 | 1964-04-04 | 1964-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-04 | 1968-04-04 | 1968-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-04 | 1972-04-04 | 1972-10-04 | $7700.00 | Window Closed / Lapsed |