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Patent US2792548A successfully refreshed from Google Patents.
US2792548A
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US
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Systems and methods of gas analysis
Assignee: RCA Corp
•
Filing: 1945-05-28
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Granted: 1957-05-14
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Expires: 1965-05-28
Abstract
No abstract record available.
Inventors
- 👤 William D Hershberger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:23
CPC Classifications
G; G01; G01N; G01N22/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2169174A
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US1726721A
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US1877810A
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US2020847A
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US2124029A
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US2099687A
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US2323675A
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US2222450A
Cited
US2297393A
Cited
US2386830A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-05-13 | 1960-11-12 | 1961-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-13 | 1964-11-12 | 1965-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-13 | 1968-11-12 | 1969-05-14 | $7700.00 | Window Closed / Lapsed |