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Patent US3264874A successfully refreshed from Google Patents.
US3264874A
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Apparatus for measuring temperatures of iron and steel melts
Assignee: Phoenix Rheinrohr AG
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Filing: 1963-05-08
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Granted: 1966-08-09
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Expires: 1983-05-08
Abstract
No abstract record available.
Inventors
- 👤 Fischer Wilhelm Anton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:53
CPC Classifications
G; G01; G01K; G01K1/00; G01K1/14; C; C21; C21C; C21C5/00; C21C5/28; C21C5/30; G01K1/08; G01K1/10; G01K13/00; G01K13/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US816428A
Cited
US2650206A
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US2631179A
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US3131115A
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US3038951A
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US3091119A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-08 | 1970-02-07 | 1970-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-08 | 1974-02-07 | 1974-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-08 | 1978-02-07 | 1978-08-09 | $7700.00 | Window Closed / Lapsed |