Patent US2883822A successfully refreshed from Google Patents.
US2883822A
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Method and apparatus for twisting a flat strand
Assignee: DELTOX RUG Co
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Filing: 1957-02-05
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Granted: 1959-04-28
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Expires: 1977-02-05
Abstract
No abstract record available.
Inventors
- 👤 Clarence C Dorschner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:22
CPC Classifications
D; D02; D02G; D02G3/00; D02G3/02; D02G3/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US852356A
Cited
US1994057A
Cited
US2128302A
Cited
US2418215A
Cited
US2486037A
Cited
US2665541A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-27 | 1962-10-27 | 1963-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-27 | 1966-10-27 | 1967-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-27 | 1970-10-27 | 1971-04-28 | $7700.00 | Window Closed / Lapsed |