Patent US3490249A successfully refreshed from Google Patents.
US3490249A
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Liquid carbonating apparatus
Assignee: Seeburg Corp
•
Filing: 1968-02-08
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Granted: 1970-01-20
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Expires: 1988-02-08
Abstract
No abstract record available.
Inventors
- 👤 Owen J Schwertfeger
- 👤 Roy A Johnson
- 👤 Frank D Brill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:47
CPC Classifications
B; B67; B67D; B67D1/00; B67D1/0042; B67D1/0057; B01; B01F; B01F23/00; B01F23/20; B01F23/23; B01F23/236; B01F23/2362; B01F33/00; B01F33/80; B01F33/81; C; C01; C01F; C01F11/00; C01F11/18; C01F11/181; Y; Y10; Y10S; Y10S261/00; Y10S261/07
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1937802A
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US2035391A
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US2267819A
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US2201430A
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US2348791A
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US2337783A
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US2434374A
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US2541757A
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US2648274A
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US2781648A
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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) | 1973-01-19 | 1973-07-21 | 1974-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-19 | 1977-07-21 | 1978-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-19 | 1981-07-21 | 1982-01-20 | $7700.00 | Window Closed / Lapsed |