US3829301A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for preventing flooding of glass fiber bushings
Assignee: Owens Corning
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Filing: 1973-03-21
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Granted: 1974-08-13
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Expires: 1993-03-21
Abstract
Abstract THIS INVENTION RELATES TO PROCESSING HEAT-SOFTENABLE MATERIAL, SUCH AS GLASS, INVOLVING TREATMENT OF A SURFACE OF A BODY OR SUBSTRATE AT WHICH THE HEAT-SOFTENED MATERIAL IS PRESENT, SUCH AS THE SURFACE AT THE STREAM DELIVERY REGION OF A FEEDER, AND PERTAINS PARTICULARLY TO A METHOD AND ARRANGEMENT ESTABLISHING AN ENVIRONMENT AT THE SURFACE OF A CHARACTER PROVIDING AN INTERFACIAL CONDITION PROMOTING SEPARATION OF ELIMINATING THE TENDENCY FOR THE MATERIAL TO MIZING OR ELIMINATING THE TENDENCY FOR THE MATERIAL TO FLOOD AT THE SURFACE BY USE OF CARBON OR HYDROGEN IN A PROTECTIVE INERT ATMOSPHERE. D R A W I N G
Inventors
- 👤 R Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 03:04
CPC Classifications
C; C03; C03B; C03B37/00; C03B37/01; C03B37/02; C03B37/0203; C03B37/0209; C03B37/0213; C03B37/08; C03B37/083; C03B40/00; C03B40/04
Claims Analysis
Total Claims: 0
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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) | 1977-08-12 | 1978-02-11 | 1978-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-08-12 | 1982-02-11 | 1982-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-08-12 | 1986-02-11 | 1986-08-13 | $7700.00 | Window Closed / Lapsed |