Patent US3244545A successfully refreshed from Google Patents.
US3244545A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cellular resins reinforced with siliceous material
Assignee: Owens Corning
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Filing: 1961-05-10
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Granted: 1966-04-05
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Expires: 1981-05-10
Abstract
No abstract record available.
Inventors
- 👤 Marzocchi Alfred
- 👤 James M O'flahavan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:25
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/0085; C08K; C08K7/00; C08K7/02; C08K7/04; C08K7/14; Y; Y10; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249953; Y10T428/249986; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2964; Y10T428/298; Y10T442/00; Y10T442/30; Y10T442/3049
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
A METHOD FOR THE PREPARATION OF A LOW DENSITY, EXTENSIBLE FIBROUS GLASS YARN COMPRISING THROUGHLY IMPREGNATING A BUNDLE COMPRISING A PLURALITY OF CONTINUOUS GLASS FIBERS GROUPED IN A SUBSTANTIALLY PARALLEL RELATIONSHIP WITH A FOAMABLE SYNTHETIC RESIN BY OPENING SAID BUNDLE TO COAT EACH INDIVIDUAL FIBER, CURING SAID RESIN, AND FOAMING SAID RESIN TO LATERALLY DISPLACE SAID FIBERS INDIVIDUALLY AND DISPERSE SAID FIBERS THROUGHOUT A CELLULAR MATRIX COMPRISING THE FOAMED PRODUCT OF SAID SYNTHETIC RESIN.
Claim 2
Independent Claim
74 words
A METHOD FOR THE PREPARATION OF A LOW DENSITY, EXTENSIBLE FIBROUS GLASS YARN COMPRISING THROUGHLY IMPREGNATING A BUNDLE COMPRISING A PLURALITY OF CONTINUOUS GLASS FIBERS GROUPED IN A SUBSTANTIALLY PARALLEL RELATIONSHIP WITH A FOAMABLE SYNTHETIC RESIN BY OPENING SAID BUNDLE TO COAT EACH INDIVIDUAL FIBER, CURING SAID RESIN, AND FOAMING SAID RESIN TO LATERALLY DISPLACE SAID FIBERS INDIVIDUALLY AND DISPERSE SAID FIBERS THROUGHOUT A CELLULAR MATRIX COMPRISING THE FOAMED PRODUCT OF SAID SYNTHETIC RESIN.
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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) | 1969-04-04 | 1969-10-04 | 1970-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-04 | 1973-10-04 | 1974-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-04 | 1977-10-04 | 1978-04-05 | $7700.00 | Window Closed / Lapsed |