Patent US3458905A successfully refreshed from Google Patents.
US3458905A
Expired / Lapsed
US
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Apparatus for entangling fibers
Assignee: EIDP Inc
•
Filing: 1967-08-03
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Granted: 1969-08-05
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Expires: 1987-08-03
Abstract
No abstract record available.
Inventors
- 👤 William C Dodson Jr
- 👤 George R Long
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:57
CPC Classifications
D; D06; D06C; D06C23/00; B; B65; B65H; B65H69/00; B65H69/06; B65H69/061; B65H69/066; D02; D02J; D02J1/00; D02J1/08; D04; D04H; D04H18/00; D04H18/04; D04H3/00; D04H3/08; D04H3/10; D04H3/105; D04H3/11; B65H2701/00; B65H2701/30; B65H2701/31
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB921229A
Cited
US3214819A
Cited
GB956992A
Cited
US3273330A
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US3237269A
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US3380135A
Cited
US3333313A
Cited
US3306020A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-04 | 1973-02-03 | 1973-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-04 | 1977-02-03 | 1977-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-04 | 1981-02-03 | 1981-08-05 | $7700.00 | Window Closed / Lapsed |