US2483829A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Microwave acoustic gas analysis method and system
Assignee: RCA Corp
•
Filing: 1945-05-28
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Granted: 1949-10-04
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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 15:30
CPC Classifications
G; G01; G01N; G01N29/00; G01N29/02; G01N29/032; G01N24/00; G01N24/008; G01N2291/00; G01N2291/02; G01N2291/028; G01N2291/02818; G01N2291/02872
Claims Analysis
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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) | 1952-10-03 | 1953-04-04 | 1953-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-03 | 1957-04-04 | 1957-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-03 | 1961-04-04 | 1961-10-04 | $7700.00 | Window Closed / Lapsed |