US3500280A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature sensing probe
Assignee: Individual
•
Filing: 1967-08-21
•
Granted: 1970-03-10
•
Expires: 1987-08-21
Abstract
No abstract record available.
Inventors
- 👤 John D Ensign
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:58
CPC Classifications
G; G01; G01K; G01K13/00; G01K13/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2351455A
Cited
GB574849A
Cited
US2938385A
Cited
US3221555A
Cited
US3254533A
Cited
US3367186A
Cited
US3349896A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-09 | 1973-09-08 | 1974-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-09 | 1977-09-08 | 1978-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-09 | 1981-09-08 | 1982-03-10 | $7700.00 | Window Closed / Lapsed |