US2964703A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recording microwave hygrometer
Assignee: Individual
•
Filing: 1957-04-12
•
Granted: 1960-12-13
•
Expires: 1977-04-12
Abstract
No abstract record available.
Inventors
- 👤 Sargent Jack
- 👤 Birnbaum George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:45
CPC Classifications
G; G01; G01N; G01N22/00; G01N22/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2605394A
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US2792548A
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US2457673A
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US2580968A
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US2774034A
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US2611030A
Cited
US2602835A
Cited
US2783383A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-13 | 1964-06-13 | 1964-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-13 | 1968-06-13 | 1968-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-13 | 1972-06-13 | 1972-12-13 | $7700.00 | Window Closed / Lapsed |