US2622415A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chilling foodstuffs
Assignee: Individual
•
Filing: 1948-06-23
•
Granted: 1952-12-23
•
Expires: 1968-06-23
Abstract
No abstract record available.
Inventors
- 👤 Thomas P Landers
- 👤 Charles F Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:57
CPC Classifications
A; A47; A47G; A47G19/00; A47G19/22; A47G19/2288; F; F25; F25D; F25D3/00; F25D3/02; F25D3/06; F25D3/08; F25D2331/00; F25D2331/80; F25D2331/808
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CH10924A
Cited
US1056971A
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US1004259A
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FR452422A
Cited
US1961936A
Cited
US1771186A
Cited
US2039736A
Cited
US2187558A
Cited
US2238512A
Cited
US2288044A
Cited
US2449478A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-23 | 1956-06-23 | 1956-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-23 | 1960-06-23 | 1960-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-23 | 1964-06-23 | 1964-12-23 | $7700.00 | Window Closed / Lapsed |