Patent US4054807A successfully refreshed from Google Patents.
Patent US3148102A successfully refreshed from Google Patents.
US3148102A
Expired / Lapsed
US
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Method for the manufacture of multifilament glass tapes
Assignee: De Bell and Richardson Inc
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Filing: 1960-08-24
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Granted: 1964-09-08
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Expires: 1980-08-24
Abstract
No abstract record available.
Inventors
- 👤 William J Eakins
- 👤 Arthur J Warner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:03
CPC Classifications
D; D04; D04H; D04H3/00; D04H3/02; D04H3/07; B; B29; B29B; B29B15/00; B29B15/08; B29B15/10; B29B15/12; B29B15/122; B29B15/125; B29C; B29C70/00; B29C70/04; B29C70/06; B29C70/10; B29C70/16; B29C70/20; D02; D02G; D02G3/00; D02G3/02; D02G3/16; D02G3/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
METHOD OF MAKING TAPE STRANDS FROM ROLL-WOUND, SIZE-COATED MULTI-FILAMENT GLASS HAVING ALTERNATE OPPOSITELY DIRECTED TWISTS COMPRISING CONTINUOUSLY UNWINDING A STRAND FROM ITS ROLL IN AN ATMOSPHERE HEATE SUFFICIENTLY TO SOFTEN THE SIZE COATING AND OF SUFFICIENT HUMIDITY TO ENABLE UNWINDING THE STRAND WITHOUT STICKING, ADVANCING THE STRAND ALONG A PREDETERMINED PATH, AND AT POINTS ALONG SAID PATH ORIENTING FILAMENTS OF THE STRAND INTO MUTUALLY PARALLEL RELATIONSHIP TO REMOVE SAID TWISTS THROUGHTOUT THE LENGTH OF THE STRAND, HEAT CLEANING THE UNTWISTED STRAND SUBSEQUENT TO REMOVAL OF THE TWISTS, APPLYING A BINDER OF THE CLEAN STRAND IN AN ANHYDROUS ATMOSPHERE, AND CURING THE BINDER.
Claim 2
Dependent Claim
102 words
METHOD OF MAKING TAPE STRANDS FROM ROLL-WOUND, SIZE-COATED MULTI-FILAMENT GLASS HAVING ALTERNATE OPPOSITELY DIRECTED TWISTS COMPRISING CONTINUOUSLY UNWINDING A STRAND FROM ITS ROLL IN AN ATMOSPHERE HEATE SUFFICIENTLY TO SOFTEN THE SIZE COATING AND OF SUFFICIENT HUMIDITY TO ENABLE UNWINDING THE STRAND WITHOUT STICKING, ADVANCING THE STRAND ALONG A PREDETERMINED PATH, AND AT POINTS ALONG SAID PATH ORIENTING FILAMENTS OF THE STRAND INTO MUTUALLY PARALLEL RELATIONSHIP TO REMOVE SAID TWISTS THROUGHTOUT THE LENGTH OF THE STRAND, HEAT CLEANING THE UNTWISTED STRAND SUBSEQUENT TO REMOVAL OF THE TWISTS, APPLYING A BINDER OF THE CLEAN STRAND IN AN ANHYDROUS ATMOSPHERE, AND CURING THE BINDER.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-08 | 1968-03-09 | 1968-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-08 | 1972-03-09 | 1972-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-08 | 1976-03-09 | 1976-09-08 | $7700.00 | Window Closed / Lapsed |