US2521472A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carbonator control
Assignee: Bastian Blessing Co
•
Filing: 1946-03-28
•
Granted: 1950-09-05
•
Expires: 1966-03-28
Abstract
No abstract record available.
Inventors
- 👤 Alexander F Mcmahon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 20:12
CPC Classifications
B; B67; B67D; B67D1/00; B67D1/0042; B67D1/0057; B01; B01F; B01F23/00; B01F23/20; B01F23/23; B01F23/236; B01F23/2362; B01F23/2366; B01F35/00; B01F35/20; B01F35/21; B01F35/211; B01F35/2112; G; G05; G05D; G05D9/00; G05D9/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US712292A
Cited
US983976A
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US1434574A
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US2116415A
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US2300300A
Cited
US2231158A
Cited
US2339640A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-09-04 | 1954-03-06 | 1954-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-04 | 1958-03-06 | 1958-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-04 | 1962-03-06 | 1962-09-05 | $7700.00 | Window Closed / Lapsed |