US2442801A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carbonator apparatus
Assignee: Individual
•
Filing: 1944-02-03
•
Granted: 1948-06-08
•
Expires: 1964-02-03
Abstract
No abstract record available.
Inventors
- 👤 Pietro Carmelo V Di
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:46
CPC Classifications
B; B01; B01F; B01F23/00; B01F23/20; B01F23/23; B01F23/236; B01F23/2363; Y; Y10; Y10S; Y10S261/00; Y10S261/07
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US625109A
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US1140081A
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US1209490A
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US1373892A
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US1827386A
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US1991568A
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US2212275A
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US2348791A
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US2306714A
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US2337783A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-06-08 | 1951-12-08 | 1952-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-06-08 | 1955-12-08 | 1956-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-06-08 | 1959-12-08 | 1960-06-08 | $7700.00 | Window Closed / Lapsed |