Patent US2748028A successfully refreshed from Google Patents.
US2748028A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass fiber product and process
Assignee: Atlas Powder Co
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Filing: 1951-07-11
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Granted: 1956-05-29
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Expires: 1971-07-11
Abstract
No abstract record available.
Inventors
- 👤 Henry M Richardson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:32
CPC Classifications
C; C08; C08L; C08L67/00; C08L67/06; C03; C03C; C03C25/00; C03C25/10; C03C25/24; C03C25/26; C03C25/32; C03C25/326; C08G; C08G63/00; C08G63/66; C08G63/668; C08G63/676; C08K; C08K7/00; C08K7/02; C08K7/04; C08K7/14; Y; Y10; Y10T; Y10T428/00; Y10T428/249921
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
A SUPERFICIALLY DRY, PLIABLE MAT CONSISTING ESSENTIALLY OF GLASS FIBERS AND, IN ADHERENT RELATION THERETO A DRY SOLID, FUSIBLE, CURABLE RESIN COMPOSITION COMPRISING A SOLID PULVERULENT POLYMERIZABLE POLYESTER OF MELTING POINT AT LEAST 80* C., AND A MINOR PROPORTION OF A VINYL POLYMERIZATION CATALYST SAID POLYESTER BEING THE ESTERIFICATION PRODUCT OF AN ETHENE DICARBOXYLIC ACID WITH A SUBSTANTIALLY STOICHIOMETRIC QUANTITY OF A POLYHYDRIC ALCOHOL SELECTED FROM THE GROUP CONSISTING OF (A) DIHYDRIC ALCOHOLS CONFORMING TO THE FORMULA
Claim 2
Dependent Claim
77 words
A SUPERFICIALLY DRY, PLIABLE MAT CONSISTING ESSENTIALLY OF GLASS FIBERS AND, IN ADHERENT RELATION THERETO A DRY SOLID, FUSIBLE, CURABLE RESIN COMPOSITION COMPRISING A SOLID PULVERULENT POLYMERIZABLE POLYESTER OF MELTING POINT AT LEAST 80* C., AND A MINOR PROPORTION OF A VINYL POLYMERIZATION CATALYST SAID POLYESTER BEING THE ESTERIFICATION PRODUCT OF AN ETHENE DICARBOXYLIC ACID WITH A SUBSTANTIALLY STOICHIOMETRIC QUANTITY OF A POLYHYDRIC ALCOHOL SELECTED FROM THE GROUP CONSISTING OF (A) DIHYDRIC ALCOHOLS CONFORMING TO THE FORMULA
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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) | 1959-05-29 | 1959-11-28 | 1960-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-29 | 1963-11-28 | 1964-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-29 | 1967-11-28 | 1968-05-29 | $7700.00 | Window Closed / Lapsed |