US2497741A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carbonator apparatus
Assignee: Westinghouse Electric Corp
•
Filing: 1947-10-24
•
Granted: 1950-02-14
•
Expires: 1967-10-24
Abstract
No abstract record available.
Inventors
- 👤 Anthony A Quimper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:47
CPC Classifications
B; B01; B01F; B01F23/00; B01F23/20; B01F23/23; B01F23/234; B01F23/2341; B01F23/23413; B01F23/236; B01F23/2362; B01F25/00; B01F25/30; B01F25/31; B01F25/312; Y; Y10; Y10S; Y10S261/00; Y10S261/07
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US534848A
Cited
US1075408A
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US1572470A
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US2210846A
Cited
US2148902A
Cited
GB509491A
Cited
US2386464A
Cited
US2401916A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-13 | 1953-08-15 | 1954-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-13 | 1957-08-15 | 1958-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-13 | 1961-08-15 | 1962-02-14 | $7700.00 | Window Closed / Lapsed |