US3399570A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Measuring temperatures
Assignee: Centre de Recherches Metallurgiques CRM ASBL
•
Filing: 1965-10-28
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Granted: 1968-09-03
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Expires: 1985-10-28
Abstract
No abstract record available.
Inventors
- 👤 Robert Alfred J E Pirlet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:07
CPC Classifications
G; G01; G01K; G01K11/00; G01K11/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2536025A
Cited
US2758663A
Cited
US3214976A
Cited
US3214977A
Cited
US3137169A
Cited
US3299707A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-03 | 1972-03-04 | 1972-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-03 | 1976-03-04 | 1976-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-03 | 1980-03-04 | 1980-09-03 | $7700.00 | Window Closed / Lapsed |