US3050811A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for localizing rapid variations of temperature at predetermined points in tunnel type kilns, particularly in kilns for the firing of ceramic products
Assignee: SpA FORNI ED IMPIANTI INDUSTRIALI INGG DE BARTOLOMEIS
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Filing: 1959-02-03
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Granted: 1962-08-28
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Expires: 1979-02-03
Abstract
No abstract record available.
Inventors
- 👤 Bartolomeis Remo De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:50
CPC Classifications
F; F27; F27D; F27D99/00; F27D99/0073; F27D99/0075; F27B; F27B9/00; F27B9/30; F27B9/3005; F27B9/3011
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-27 | 1966-02-26 | 1966-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-27 | 1970-02-26 | 1970-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-27 | 1974-02-26 | 1974-08-28 | $7700.00 | Window Closed / Lapsed |