US2534617A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laminated product
Assignee: Monsanto Chemicals Ltd
•
Filing: 1945-01-24
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Granted: 1950-12-19
•
Expires: 1965-01-24
Abstract
No abstract record available.
Inventors
- 👤 Harold W Mohrman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:12
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/24; C08J5/241; C08J5/244; C08J5/249; C08J2367/00; C08J2367/06; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31616; Y10T428/3162; Y10T442/00; Y10T442/30; Y10T442/3472; Y10T442/3528; Y10T442/60; Y10T442/659; Y10T442/67
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
LAMINATED UNDIRECITONAL GLASS FABRIC CONTAINING AS A BONDING AGENT A HEAT CURED COMPOSITION COMPRISING A VINYL AROMATIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF STYRENE, RING-SUBSTITUTED ALKYL STYRENES, RING-SUBSTITUTED CHLOROSTYRENES, VINYL NAPHTHALENE AND DIVINYL BENZENE, AND A POLYESTER CHARACTERIZED BY COMPRISING THE RESIDUES OF AN ALIPHATIC MONOHYDRIC ALCOHOL HAVING A TERMINAL METHYLENE GROUP AND CONTAINING 3-10 CARBON ATOMS, THE NUMBER OF SAID RESIDUES CONSTITUTING FROM 1-10% OF THE TOTAL ESTER LINKAGES, A GLYCOL HAVING FROM 2-6 CARBON ATOMS AND A DICARBOXYLIC ACID HAVING ETHYLENIC UNSATURATION AND NOT OVER 8 CARBON ATOMS, THE AMOUNT OF THE VINYL AROMATIC COMPOUND BEING FROM 15-50 PARTS PER 100 PARTS OF THE POLYESTER.
Claim 2
Dependent Claim
108 words
LAMINATED UNDIRECITONAL GLASS FABRIC CONTAINING AS A BONDING AGENT A HEAT CURED COMPOSITION COMPRISING A VINYL AROMATIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF STYRENE, RING-SUBSTITUTED ALKYL STYRENES, RING-SUBSTITUTED CHLOROSTYRENES, VINYL NAPHTHALENE AND DIVINYL BENZENE, AND A POLYESTER CHARACTERIZED BY COMPRISING THE RESIDUES OF AN ALIPHATIC MONOHYDRIC ALCOHOL HAVING A TERMINAL METHYLENE GROUP AND CONTAINING 3-10 CARBON ATOMS, THE NUMBER OF SAID RESIDUES CONSTITUTING FROM 1-10% OF THE TOTAL ESTER LINKAGES, A GLYCOL HAVING FROM 2-6 CARBON ATOMS AND A DICARBOXYLIC ACID HAVING ETHYLENIC UNSATURATION AND NOT OVER 8 CARBON ATOMS, THE AMOUNT OF THE VINYL AROMATIC COMPOUND BEING FROM 15-50 PARTS PER 100 PARTS OF THE POLYESTER.
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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) | 1953-12-18 | 1954-06-19 | 1954-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-18 | 1958-06-19 | 1958-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-18 | 1962-06-19 | 1962-12-19 | $7700.00 | Window Closed / Lapsed |