US3516873A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring-loaded thermocouple
Assignee: Thermo Electric Co Inc
•
Filing: 1967-04-13
•
Granted: 1970-06-23
•
Expires: 1987-04-13
Abstract
No abstract record available.
Inventors
- 👤 William S Bonkowski
- 👤 Nunzio Ralph Corallo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:19
CPC Classifications
G; G01; G01K; G01K1/00; G01K1/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA596931A
Cited
US935154A
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US949704A
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US2084992A
Cited
US2194489A
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US2311886A
Cited
GB814503A
Cited
US2898933A
Cited
GB852782A
Cited
US3376169A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-22 | 1973-12-22 | 1974-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-22 | 1977-12-22 | 1978-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-22 | 1981-12-22 | 1982-06-23 | $7700.00 | Window Closed / Lapsed |