US3356979A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Moisture sensitive resistor
Assignee: CIRO ACQUIRING Inc A CORP OF
•
Filing: 1966-02-28
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Granted: 1967-12-05
•
Expires: 1986-02-28
Abstract
No abstract record available.
Inventors
- 👤 George J Bouyoucos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:06
CPC Classifications
H; H01; H01C; H01C1/00; H01C1/14; H01C1/146; G; G01; G01N; G01N27/00; G01N27/02; G01N27/04; G01N27/12; G01N27/121
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
36 words
AN IMPROVED MOISTURE SENSITIVE ELECTRICAL RESISTOR FOR USE WITH ELECTRICAL RESISTANCE MEASURING DEVICES FOR MEASURING THE MOISTURE CONTENT OF GASES, SAID RESISTOR COMPRISING AN ELECTRODE SYSTEM IMBEDDED WITHIN A PLASTER BLOCK MADE FROM AN UNARIDIZED CEMENT.
Claim 2
Dependent Claim
36 words
AN IMPROVED MOISTURE SENSITIVE ELECTRICAL RESISTOR FOR USE WITH ELECTRICAL RESISTANCE MEASURING DEVICES FOR MEASURING THE MOISTURE CONTENT OF GASES, SAID RESISTOR COMPRISING AN ELECTRODE SYSTEM IMBEDDED WITHIN A PLASTER BLOCK MADE FROM AN UNARIDIZED CEMENT.
References Cited (Backward Citations)
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US1931240A
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US2367561A
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US2729099A
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US2754220A
Cited
US2740032A
Cited
US2793527A
Cited
US3181098A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-04 | 1971-06-05 | 1971-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-04 | 1975-06-05 | 1975-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-04 | 1979-06-05 | 1979-12-05 | $7700.00 | Window Closed / Lapsed |