US3281893A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous production of strip and other metal products from molten metal
Assignee: Individual
•
Filing: 1963-11-04
•
Granted: 1966-11-01
•
Expires: 1983-11-04
Abstract
No abstract record available.
Inventors
- 👤 Maurice D Ayers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:15
CPC Classifications
B; B22; B22F; B22F9/00; B22F9/02; B22F9/06; B22F9/08; B22F9/082; B22F3/00; B22F3/18; B22F2999/00; Y; Y10; Y10S; Y10S425/00; Y10S425/815
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US3093315A
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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) | 1969-10-31 | 1970-05-02 | 1970-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-31 | 1974-05-02 | 1974-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-31 | 1978-05-02 | 1978-11-01 | $7700.00 | Window Closed / Lapsed |