US3385946A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous annealing method and apparatus
Assignee: Westinghouse Electric Corp
•
Filing: 1965-04-16
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Granted: 1968-05-28
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Expires: 1985-04-16
Abstract
No abstract record available.
Inventors
- 👤 Donald G Hatchard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:03
CPC Classifications
F; F27; F27D; F27D11/00; F27D11/06; C; C21; C21D; C21D9/00; C21D9/52; Y; Y02; Y02P; Y02P10/00; Y02P10/25
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1493140A
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US1581269A
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US2434599A
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US2448835A
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US2504440A
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US2897698A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-28 | 1971-11-27 | 1972-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-28 | 1975-11-27 | 1976-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-28 | 1979-11-27 | 1980-05-28 | $7700.00 | Window Closed / Lapsed |