US3071746A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Humidity sensor having a decreased resistance range
Assignee: General Mills Inc
•
Filing: 1955-11-25
•
Granted: 1963-01-01
•
Expires: 1975-11-25
Abstract
No abstract record available.
Inventors
- 👤 Douglas A Kohl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:53
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/02; G01N27/04; G01N27/12; G01N27/121
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
31 words
A HUMIDITY SENSOR COMPRISING A NONPOROUS ADSORBING BASE OF HIGH ELECTRICAL RESISTIVITY HAVING A ROUGHENED SURFACE PROVIDING A MULTIPLICITY OF MOISTURE RECEIVING POCKETS, AND METAL GRIDS SUPERIMPOSED UPON SAID ROUGHENED SURFACE.
Claim 2
Dependent Claim
31 words
A HUMIDITY SENSOR COMPRISING A NONPOROUS ADSORBING BASE OF HIGH ELECTRICAL RESISTIVITY HAVING A ROUGHENED SURFACE PROVIDING A MULTIPLICITY OF MOISTURE RECEIVING POCKETS, AND METAL GRIDS SUPERIMPOSED UPON SAID ROUGHENED SURFACE.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-31 | 1966-07-02 | 1967-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-31 | 1970-07-02 | 1971-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-31 | 1974-07-02 | 1975-01-01 | $7700.00 | Window Closed / Lapsed |