US2588677A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic liquid carbonator
Assignee: CARBONIC DISPENSER Inc
•
Filing: 1948-02-26
•
Granted: 1952-03-11
•
Expires: 1968-02-26
Abstract
No abstract record available.
Inventors
- 👤 Welty Frank
- 👤 Raymond D Welty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:49
CPC Classifications
B; B01; B01F; B01F23/00; B01F23/20; B01F23/23; B01F23/236; B01F23/2363; Y; Y10; Y10S; Y10S261/00; Y10S261/07; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7303
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US998428A
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US1580476A
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US2128311A
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US2217841A
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US2235357A
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US2300300A
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US2249794A
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US2271896A
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US2339640A
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US2414607A
Cited
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 |