US3103722A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of glass reinforced metal articles
Assignee: Owens Corning
•
Filing: 1958-12-30
•
Granted: 1963-09-17
•
Expires: 1978-12-30
Abstract
No abstract record available.
Inventors
- 👤 Harry B Whitehurst
- 👤 William P Warthen
- 👤 Paul A Lockwood
- 👤 Herbert B Ailes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:56
CPC Classifications
C; C22; C22C; C22C47/00; C22C47/08; Y; Y10; Y10S; Y10S264/00; Y10S264/19
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A METHOD FOR PRODUCING A GLASS-REINFORCED METAL ARTICLE WHICH COMPRISES BRINGING THE METAL, IN A MOLTEN CONDITION, INTO CONTACT WITH A MASS OF A GLASS REINFORCEMENT CONTAINED WITHIN A CAVITY WHICH AT LEAST PARTIALLY ENCLOSES A GAS UNDER A LOWER PRESSURE THAN THE LIQUID METAL, THE DIFFERENCE BETWEEN THE GAS PRESSURE AND THE METAL PRESSURE BEING SUFFICIENTLY GREAT TO FORCE THE METAL INTO CONTACT WITH SUBSTANTIALLY ALL PARTS OF THE REINFORCEMENT, VENTING FROM THE CAVITY GAS DISPLACED BY THE METAL, AND CONTACTING AN OUTER SURFACE OF THE MOLTEN METAL ASSOCIATED WITH THE GLASS REINFORCEMENT WITH A CHILLED BODY TO COOL RAPIDLY THE OUTER SURFACE OF THE METAL.
Claim 2
Independent Claim
107 words
A METHOD FOR PRODUCING A GLASS-REINFORCED METAL ARTICLE WHICH COMPRISES BRINGING THE METAL, IN A MOLTEN CONDITION, INTO CONTACT WITH A MASS OF A GLASS REINFORCEMENT CONTAINED WITHIN A CAVITY WHICH AT LEAST PARTIALLY ENCLOSES A GAS UNDER A LOWER PRESSURE THAN THE LIQUID METAL, THE DIFFERENCE BETWEEN THE GAS PRESSURE AND THE METAL PRESSURE BEING SUFFICIENTLY GREAT TO FORCE THE METAL INTO CONTACT WITH SUBSTANTIALLY ALL PARTS OF THE REINFORCEMENT, VENTING FROM THE CAVITY GAS DISPLACED BY THE METAL, AND CONTACTING AN OUTER SURFACE OF THE MOLTEN METAL ASSOCIATED WITH THE GLASS REINFORCEMENT WITH A CHILLED BODY TO COOL RAPIDLY THE OUTER SURFACE OF THE METAL.
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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) | 1966-09-16 | 1967-03-18 | 1967-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-16 | 1971-03-18 | 1971-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-16 | 1975-03-18 | 1975-09-17 | $7700.00 | Window Closed / Lapsed |