US3000109A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cooling tunnel for hot sheet or strip
Assignee: JAMES B SHAVER
•
Filing: 1957-12-31
•
Granted: 1961-09-19
•
Expires: 1977-12-31
Abstract
No abstract record available.
Inventors
- 👤 Francis U Hill
- 👤 Morton L Simon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:12
CPC Classifications
B; B21; B21B; B21B45/00; B21B45/02; B21B45/0203; B21B45/0209; B29; B29C; B29C35/00; B29C35/16; C; C03; C03B; C03B25/00; C03B25/04; C03B25/06; C03B25/08; C21; C21D; C21D1/00; C21D1/84; C21D9/00; C21D9/52; C21D9/54; C21D9/56; C21D9/573
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US92210A
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US463266A
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US1847915A
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US2012115A
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US2346764A
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US2542064A
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US2775046A
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US2645031A
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US2783546A
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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) | 1964-09-18 | 1965-03-20 | 1965-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-18 | 1969-03-20 | 1969-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-18 | 1973-03-20 | 1973-09-19 | $7700.00 | Window Closed / Lapsed |