Patent US3666431A successfully refreshed from Google Patents.
US3666431A
Expired / Lapsed
US
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Apparatus for advancing glass fibers
Assignee: Owens Corning
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Filing: 1969-11-10
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Granted: 1972-05-30
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Expires: 1989-11-10
Abstract
Abstract APPARATUS FOR HANDLING LINEAR MATERIAL SUCH AS A GLASS STRAND INCLUDING A ROTATABLY MOUNTED MEMBER WITH SPACED APART CIRCUMFERENTIALLY DISPOSED FINGERS ON THE MEMBER EXTENDING GENERALLY PARREL TO THE MEMBER''S AXIS OF ROTATION AND UPON WHICH THE LINEAR MATERIAL COLLECTS AS THE MEMBER ROTATES.
Inventors
- 👤 Leo Alex Oswald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:26
CPC Classifications
B; B65; B65H; B65H54/00; B65H54/86; B65H2701/00; B65H2701/30; B65H2701/31; Y; Y10; Y10S; Y10S242/00; Y10S242/92
Claims Analysis
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-05-30 | 1975-11-29 | 1976-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-30 | 1979-11-29 | 1980-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-30 | 1983-11-29 | 1984-05-30 | $7700.00 | Window Closed / Lapsed |