US2588591A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mixing device
Assignee: Automatic Canteen Co
•
Filing: 1946-02-02
•
Granted: 1952-03-11
•
Expires: 1966-02-02
Abstract
No abstract record available.
Inventors
- 👤 Ernest H Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:16
CPC Classifications
A; A47; A47J; A47J31/00; A47J31/40; A47J31/401; A47J43/00; A47J43/04; B; B01; B01F; B01F23/00; B01F23/50; B01F23/56; B01F25/00; B01F25/20; B01F25/21; B01F25/212; B01F25/2123; B01F33/00; B01F33/40; B01F33/403
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US529221A
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US950152A
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US1075524A
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US1333379A
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US1505479A
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US1522369A
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US1819637A
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US1821579A
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US2288063A
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US2355513A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-11 | 1955-09-10 | 1956-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-11 | 1959-09-10 | 1960-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-11 | 1963-09-10 | 1964-03-11 | $7700.00 | Window Closed / Lapsed |