Patent US3076324A successfully refreshed from Google Patents.
US3076324A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of coated fibers
Assignee: Owens Corning
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Filing: 1961-03-17
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Granted: 1963-02-05
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Expires: 1981-03-17
Abstract
No abstract record available.
Inventors
- 👤 Willard L Morgan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:30
CPC Classifications
C; C03; C03C; C03C25/00; C03C25/10; C03C25/42; C03C25/46; Y; Y10; Y10S; Y10S118/00; Y10S118/19
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
APPARATUS FOR APPLYING A COATING IN THE VAPOR STATE TO FRESHLY FORMED VITREOUS FILAMENTS COMPRISING MEANS PROVIDING A PLURALITY OF FILAMENTS, MEANS FOR LINEARLY ADVANCING SAID FILAMENTS, APPLICATOR MEANS CONFINING A SUPPLY OF VAPORIZABLE LIQUID COATING MATERIAL, MEANS FOR HEATING SAID LIQUID MATERIAL TO EVOLVE VAPORS THEREFROM, SAID APPLICATOR MEANS INCLUDING A VAPOR PERVIOUS MEMBER TRANSVERSE TO AND IMMEDIATELY ADJACENT THE ADVANCING FILAMENTS, SAID VAPOR PERVIOUS MEMBER ADAPTED TO CONFINE SAID COATING MATERIAL IN A LIQUID CONDITION YET BEING SUFICIENTLY POROUS TO PASS VAPORS THEREFROM INTO COATING CONTACT WITH THE IMMEDIATELY ADJACENT ADVANCING FILAMENTS.
Claim 2
Independent Claim
97 words
A METHOD FOR APPLYING A COATING SUBSTANCE TO VITREOUS FILAMENTS COMPRISING ESTABLISHING A CONTAINED HEAT VAPORIZABLE COATING LIQUID HAVING A SURFACE LAYER IN CONFINED BUT EXPOSED ENGAGEMENT WITH A VAPOR PERVIOUS LIQUID IMPERVIOUS SCREEN, HEATING SAID LIQUID TO CONTINUOUSLY EVOLVE VAPORS FROM SAID SURFACE LAYER AND TO DIFFUSE THEM THROUGH SAID SCREEN, CONTINUOUSLY LINEARLY ADVAICING HOT FILAMENTS OF VITREOUS MATERIAL DIRECTLY ADJACENT THE SCREEN-CONFINED SURFACE LAYER IN COATING ASSOCIATION WITH THE VAPORS DIFFUSED THEREFROM, AND CONCOMMITANTLY HEATING SAID SCREEN-CONFINED SURFACE LAYER WITH HEAT SUPPLIED BY SAID HOT FILAMENTS TO PROMOTE THE EVOLUTION AND DIFFUSION OF VAORS THEREFROM.
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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) | 1966-02-04 | 1966-08-06 | 1967-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-04 | 1970-08-06 | 1971-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-04 | 1974-08-06 | 1975-02-05 | $7700.00 | Window Closed / Lapsed |