US3087337A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Direct reading resistance thermometer
Assignee: National Research Council Canada
•
Filing: 1958-04-28
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Granted: 1963-04-30
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Expires: 1978-04-28
Abstract
No abstract record available.
Inventors
- 👤 Dauphinee Thomas Mcc
- 👤 Preston-Thomas Hugh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:55
CPC Classifications
G; G01; G01K; G01K7/00; G01K7/16; G01K7/18; G01K7/20; G01K7/21
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
25 words
APPARATUS FOR OBTAINING DIRECT TEMPERATURE READING FROM A RESISTANCE THERMOMETER ELEMENT HAVING A RELATIONSHIP OF TEMPERATURE TO RESISTANCE WHICH MAY BE DEFINED BY THE EQUATION
Claim 2
Dependent Claim
25 words
APPARATUS FOR OBTAINING DIRECT TEMPERATURE READING FROM A RESISTANCE THERMOMETER ELEMENT HAVING A RELATIONSHIP OF TEMPERATURE TO RESISTANCE WHICH MAY BE DEFINED BY THE EQUATION
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-29 | 1966-10-29 | 1967-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-29 | 1970-10-29 | 1971-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-29 | 1974-10-29 | 1975-04-30 | $7700.00 | Window Closed / Lapsed |