US2688246A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermostat tester
Assignee: ExxonMobil Oil Corp
•
Filing: 1952-06-05
•
Granted: 1954-09-07
•
Expires: 1972-06-05
Abstract
No abstract record available.
Inventors
- 👤 Rudolph J Holzinger
- 👤 Alfred E Traver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:47
CPC Classifications
G; G01; G01K; G01K5/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1397766A
Cited
US2095355A
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US2044573A
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US2227938A
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US2474825A
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US2612368A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-09-06 | 1958-03-08 | 1958-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-06 | 1962-03-08 | 1962-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-06 | 1966-03-08 | 1966-09-07 | $7700.00 | Window Closed / Lapsed |