US2723215A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass fiber product and method of making same
Assignee: Owens Corning
•
Filing: 1950-05-31
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Granted: 1955-11-08
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Expires: 1970-05-31
Abstract
No abstract record available.
Inventors
- 👤 Lawrence P Biefeld
- 👤 Lydic William Kenneth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:31
CPC Classifications
C; C03; C03C; C03C25/00; C03C25/10; C03C25/24; C03C25/26; F; F16; F16B; F16B5/00; Y; Y10; Y10S; Y10S118/00; Y10S118/20; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2938; Y10T428/2964; Y10T428/31504; Y10T428/31551; Y10T428/31609; Y10T428/31612; Y10T428/31641
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
58 words
AN ARTICLE OF MANUFACTURE COMPRISING GLASS FIBERS AND A SIZE ON THE GLASS FIBER SURFACES CONSISTING ESSENTIALLY OF MINERAL WAX, UP TO 5 PERCENT BY WEIGHT OF AN ORGANOSILICON COMPOUND SELECTED FROM THE GROUP CONSISTING OF SILANES AND POLYSILOXANSES, AND POLYETHYLENE PRESENT IN THE RATIO OF 3-5 PARTS BY WEIGHT MINERAL WAX TO ONE PART BY WEIGHT POLYETHTLENE.
Claim 2
Dependent Claim
58 words
AN ARTICLE OF MANUFACTURE COMPRISING GLASS FIBERS AND A SIZE ON THE GLASS FIBER SURFACES CONSISTING ESSENTIALLY OF MINERAL WAX, UP TO 5 PERCENT BY WEIGHT OF AN ORGANOSILICON COMPOUND SELECTED FROM THE GROUP CONSISTING OF SILANES AND POLYSILOXANSES, AND POLYETHYLENE PRESENT IN THE RATIO OF 3-5 PARTS BY WEIGHT MINERAL WAX TO ONE PART BY WEIGHT POLYETHTLENE.
Claim 3
Independent Claim
77 words
THE METHOD OF TREATING GLASS FIBERS IN FORMING COMPRISING THE STEPS OF COLLECTING THE FIBERS TOGETHER INTO STRANDS AND COATING THE FIBERS PRIOR TO FORMATION INTO STRANDS WITH A COMPOSITION THE SOLIDS OF WHICH CONSIST ESSENTIALLY OF MINERAL WAX, UP TO 5 PERCENT BY WEIGHT OF AN ORGANO-SILICON COMPOUND SELECTD FROM THE GROUP CONSISTING OF SLIANES AND POLYSILOXANES, AND POLYETHYLENE PERSENT IN THE RATIO OF 3-5 PARTS BY WEIGHT MINERAL WAX TO 1 PART BY WEIGHT POLYETHYLENE.
Claim 4
Independent Claim
77 words
THE METHOD OF TREATING GLASS FIBERS IN FORMING COMPRISING THE STEPS OF COLLECTING THE FIBERS TOGETHER INTO STRANDS AND COATING THE FIBERS PRIOR TO FORMATION INTO STRANDS WITH A COMPOSITION THE SOLIDS OF WHICH CONSIST ESSENTIALLY OF MINERAL WAX, UP TO 5 PERCENT BY WEIGHT OF AN ORGANO-SILICON COMPOUND SELECTD FROM THE GROUP CONSISTING OF SLIANES AND POLYSILOXANES, AND POLYETHYLENE PERSENT IN THE RATIO OF 3-5 PARTS BY WEIGHT MINERAL WAX TO 1 PART BY WEIGHT POLYETHYLENE.
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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) | 1958-11-07 | 1959-05-09 | 1959-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-07 | 1963-05-09 | 1963-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-07 | 1967-05-09 | 1967-11-08 | $7700.00 | Window Closed / Lapsed |