Patent US2873226A successfully refreshed from Google Patents.
US2873226A
Expired / Lapsed
US
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Method of making glass reinforced plastic articles
Assignee: Distillers Co Yeast Ltd
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Filing: 1955-02-04
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Granted: 1959-02-10
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Expires: 1975-02-04
Abstract
No abstract record available.
Inventors
- 👤 Davies Drury Norman
- 👤 Green Englefield
- 👤 Bull Leslie Francis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:31
CPC Classifications
H; H01; H01M; H01M50/00; H01M50/10; H01M50/116; H01M50/117; H01M50/121; H01M50/124; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y10; Y10S; Y10S138/00; Y10S138/02; Y10S264/00; Y10S264/53; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1028; Y10T156/103; Y10T156/1031; Y10T428/00; Y10T428/13; Y10T428/131; Y10T428/1314; Y10T428/24; Y10T428/24802; Y10T428/2481; Y10T428/31504; Y10T428/31786; Y10T428/31797; Y10T442/00; Y10T442/30; Y10T442/3854
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
96 words
A PROCESS FOR THE PRODUCTION OF A FIBROUS GLAS REINFORCED PLASTIC ARTICLE, WHICH LAMINATING A LAYER OF A LIQUID UNSATURATED POLYESTER RESIN COMPOSITION CONTAINING FIBROUS GLASS REINFORCEMENT, A MONOMERIC STYRENE COMPOUND AND A CURING CATALYST THEREFOR, ONTO A FORMING MEMBER CONSISTING OF A PLOYMERIZED STRYENE, AND BONDING SAID LAYER TO FORMING MEMBER BY POLYMERIZING THE LAYER TO FORM A HARD UNITARY PLASTIC ARTICLE OF THE DESIRED SHAPE, WHEREBY THE RESLULTANT POLYMERIZED STYRENE IN SAID LAYER IS INTEGRATED WITH THE POLYMERIZED STRENE IN SAID FORMING MEMBER AND THE LATTER CONSTITUTES AN INTEGRAL PART OF THE ARTICLE PRODUCED.
Claim 2
Dependent Claim
96 words
A PROCESS FOR THE PRODUCTION OF A FIBROUS GLAS REINFORCED PLASTIC ARTICLE, WHICH LAMINATING A LAYER OF A LIQUID UNSATURATED POLYESTER RESIN COMPOSITION CONTAINING FIBROUS GLASS REINFORCEMENT, A MONOMERIC STYRENE COMPOUND AND A CURING CATALYST THEREFOR, ONTO A FORMING MEMBER CONSISTING OF A PLOYMERIZED STRYENE, AND BONDING SAID LAYER TO FORMING MEMBER BY POLYMERIZING THE LAYER TO FORM A HARD UNITARY PLASTIC ARTICLE OF THE DESIRED SHAPE, WHEREBY THE RESLULTANT POLYMERIZED STYRENE IN SAID LAYER IS INTEGRATED WITH THE POLYMERIZED STRENE IN SAID FORMING MEMBER AND THE LATTER CONSTITUTES AN INTEGRAL PART OF THE ARTICLE PRODUCED.
Claim 3
Dependent Claim
50 words
A SHAPED ARTICLE COMPRISING A BODY OF FIBROUS GLASS MATERIAL BONDED TOGETHER BY A CURED UNSATURATED POLYESTER RESIN LAMINATING COMPOSITION CONTAINING AN INITIALLY MONOMERIC STYRENE COMPOUND AND A CURING CATALYST THEREFOR AND BEING DIRECTLY INTEGRATED ON ONE SURFACE THEREOF WITH A CORRESPONDINLY SHAPED LAYER CONSISTING OF A POLYMERISED STYRENE COMPOUND.
Claim 4
Dependent Claim
50 words
A SHAPED ARTICLE COMPRISING A BODY OF FIBROUS GLASS MATERIAL BONDED TOGETHER BY A CURED UNSATURATED POLYESTER RESIN LAMINATING COMPOSITION CONTAINING AN INITIALLY MONOMERIC STYRENE COMPOUND AND A CURING CATALYST THEREFOR AND BEING DIRECTLY INTEGRATED ON ONE SURFACE THEREOF WITH A CORRESPONDINLY SHAPED LAYER CONSISTING OF A POLYMERISED STYRENE COMPOUND.
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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) | 1962-02-09 | 1962-08-11 | 1963-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-09 | 1966-08-11 | 1967-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-09 | 1970-08-11 | 1971-02-10 | $7700.00 | Window Closed / Lapsed |