US3548042A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for cooling extruded tubing
Assignee: Reynolds Metals Co
•
Filing: 1966-07-22
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Granted: 1970-12-15
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Expires: 1986-07-22
Abstract
No abstract record available.
Inventors
- 👤 Donald R Hinrichs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:53
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/25; B29C48/88; B29C48/885; B29C48/03; B29C48/09; B29C48/10; B29C48/911; B29C48/9115; B29C48/912
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2814071A
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US2770009A
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US2947031A
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US3061876A
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US3167814A
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FR1423754A
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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) | 1973-12-14 | 1974-06-15 | 1974-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-14 | 1978-06-15 | 1978-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-14 | 1982-06-15 | 1982-12-15 | $7700.00 | Window Closed / Lapsed |