Patent US2963850A successfully refreshed from Google Patents.
US2963850A
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US
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Twisted metal staple and yarn formed therefrom
Assignee: STANDARD YARN MILLS Inc
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Filing: 1957-11-13
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Granted: 1960-12-13
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Expires: 1977-11-13
Abstract
No abstract record available.
Inventors
- 👤 Bernard J Rosenblatt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:18
CPC Classifications
D; D01; D01F; D01F9/00; D01F9/08; B; B21; B21F; B21F45/00; B21F45/006; B29; B29C; B29C70/00; B29C70/58; B32; B32B; B32B27/00; D01D; D01D11/00; D01D11/06; Y; Y10; Y10S; Y10S57/00; Y10S57/901
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-13 | 1964-06-13 | 1964-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-13 | 1968-06-13 | 1968-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-13 | 1972-06-13 | 1972-12-13 | $7700.00 | Window Closed / Lapsed |