US2420795A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carbonating apparatus
Assignee: Individual
•
Filing: 1943-09-28
•
Granted: 1947-05-20
•
Expires: 1963-09-28
Abstract
No abstract record available.
Inventors
- 👤 Philip H Phillips
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:41
CPC Classifications
B; B01; B01F; B01F25/00; B01F25/30; B01F25/31; B01F25/312; B01F25/3121; B01F23/00; B01F23/40; B01F23/45; B01F23/454; B01F25/20; B01F25/21; B01F25/3124; B01F25/31242; B01F25/3125; B01F25/31253; B01F25/312533; B01F23/20; B01F23/23; Y; Y10; Y10S; Y10S261/00; Y10S261/07
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US752453A
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US998428A
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US1849798A
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US2020850A
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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) | 1950-05-19 | 1950-11-18 | 1951-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-05-19 | 1954-11-18 | 1955-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-05-19 | 1958-11-18 | 1959-05-20 | $7700.00 | Window Closed / Lapsed |