Patent US2443724A successfully refreshed from Google Patents.
US2443724A
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Apparatus for converting liquids into gases and for dispensing the gases
Assignee: Individual
•
Filing: 1944-02-08
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Granted: 1948-06-22
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Expires: 1964-02-08
Abstract
No abstract record available.
Inventors
- 👤 Cibulka Alois
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:43
CPC Classifications
F; F17; F17C; F17C9/00; F17C9/02; Y; Y10; Y10T; Y10T137/00; Y10T137/2931; Y10T137/3115; Y10T137/3127; Y10T137/313; Y10T137/8593; Y10T137/85978; Y10T137/86171
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1752165A
Cited
US1935925A
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US2305314A
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US2166914A
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US2234407A
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US2286050A
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US2335837A
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US2362984A
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US2322625A
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US2348546A
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US2378077A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-06-22 | 1951-12-22 | 1952-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-06-22 | 1955-12-22 | 1956-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-06-22 | 1959-12-22 | 1960-06-22 | $7700.00 | Window Closed / Lapsed |