Patent US3539100A successfully refreshed from Google Patents.
US3539100A
Expired / Lapsed
US
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Temperature sensing of billets
Assignee: Granco Equipment Inc
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Filing: 1968-08-02
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Granted: 1970-11-10
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Expires: 1988-08-02
Abstract
No abstract record available.
Inventors
- 👤 Robert M Scanlon
- 👤 Charles B Gentry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:30
CPC Classifications
F; F27; F27B; F27B9/00; F27B9/14; F27B9/20; F27B9/24; F27B9/2407; F27D; F27D21/00; F27D21/0014; F27B9/30; F27B9/36; F27B2009/3607; F27D3/00; F27D2003/0085; F27D2003/0096; F27D3/02; F27D3/026; F27D3/028
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-09 | 1974-05-11 | 1974-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-09 | 1978-05-11 | 1978-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-09 | 1982-05-11 | 1982-11-10 | $7700.00 | Window Closed / Lapsed |