US2601493A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cooler and carbonator
Assignee: Individual
•
Filing: 1948-08-28
•
Granted: 1952-06-24
•
Expires: 1968-08-28
Abstract
No abstract record available.
Inventors
- 👤 John L Barr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 20:11
CPC Classifications
F; F25; F25D; F25D31/00; F25D31/002; B; B01; B01F; B01F23/00; B01F23/20; B01F23/23; B01F23/236; B01F23/2362; B01F35/00; B01F35/90; B01F2035/98
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1990056A
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US2435774A
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US1543449A
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US1980424A
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US2058098A
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US2339229A
Cited
US2326243A
Cited
US2391003A
Cited
US2401915A
Cited
US2381013A
Cited
US2446054A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-24 | 1955-12-24 | 1956-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-24 | 1959-12-24 | 1960-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-24 | 1963-12-24 | 1964-06-24 | $7700.00 | Window Closed / Lapsed |