US2484207A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas density meter
Assignee: Westinghouse Electric Corp
•
Filing: 1945-02-16
•
Granted: 1949-10-11
•
Expires: 1965-02-16
Abstract
No abstract record available.
Inventors
- 👤 Harry E Criner
- 👤 Rene A Baudry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:03
CPC Classifications
G; G01; G01N; G01N9/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB191215787A
Cited
GB120440A
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US1725554A
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US2000308A
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US2027875A
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US2082539A
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US2042374A
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US2265045A
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US2197370A
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US2211627A
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US2223705A
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US2404993A
Cited
US2260837A
Cited
US2318153A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-10 | 1953-04-11 | 1953-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-10 | 1957-04-11 | 1957-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-10 | 1961-04-11 | 1961-10-11 | $7700.00 | Window Closed / Lapsed |