US3466352A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing fibers
Assignee: CORBETT ASS Inc
•
Filing: 1967-12-18
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Granted: 1969-09-09
•
Expires: 1987-12-18
Abstract
No abstract record available.
Inventors
- 👤 Robert B Corbett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:53
CPC Classifications
B; B22; B22D; B22D11/00; B22D11/005; B22D13/00; B22D13/10; B22D13/101; B22D13/105; B22F; B22F1/00; B22F1/06; B22F1/062; B22F9/00; B22F9/02; B22F9/06; B22F9/08; B22F9/10; D; D01; D01D; D01D5/00; D01D5/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1352623A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-08 | 1973-03-10 | 1973-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-08 | 1977-03-10 | 1977-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-08 | 1981-03-10 | 1981-09-09 | $7700.00 | Window Closed / Lapsed |