US2474442A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid dispensing device with bulb pump
Assignee: Scovill Inc
•
Filing: 1945-05-08
•
Granted: 1949-06-28
•
Expires: 1965-05-08
Abstract
No abstract record available.
Inventors
- 👤 Donald L Spender
- 👤 Gray L Butler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 02:30
CPC Classifications
B; B05; B05B; B05B11/00; B05B11/01; B05B11/10; B05B11/1028; B05B11/1032; F; F04; F04B; F04B43/00; F04B43/0009; F04B43/0054; F04B43/0063
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US840925A
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US878750A
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FR374955A
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US1159605A
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US1348211A
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US1382200A
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US1392601A
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US1484920A
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US1878220A
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US1932615A
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US2125572A
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US2128567A
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US2275972A
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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) | 1952-06-27 | 1952-12-27 | 1953-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-27 | 1956-12-27 | 1957-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-27 | 1960-12-27 | 1961-06-28 | $7700.00 | Window Closed / Lapsed |