US2938385A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermistor thermometer system
Assignee: Design Inc
•
Filing: 1955-06-23
•
Granted: 1960-05-31
•
Expires: 1975-06-23
Abstract
No abstract record available.
Inventors
- 👤 Mack Julian Ellis
- 👤 George W Streander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:55
CPC Classifications
H; H01; H01C; H01C7/00; H01C7/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2711650A
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US2016660A
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US2012112A
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US2195019A
Cited
US2321846A
Cited
GB597420A
Cited
US2606986A
Cited
US2799758A
Cited
US2728833A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-31 | 1963-11-30 | 1964-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-31 | 1967-11-30 | 1968-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-31 | 1971-11-30 | 1972-05-31 | $7700.00 | Window Closed / Lapsed |