US2583024A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of surface treatment of molded material
Assignee: Individual
•
Filing: 1948-03-19
•
Granted: 1952-01-22
•
Expires: 1968-03-19
Abstract
No abstract record available.
Inventors
- 👤 Joseph J Strobel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:34
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/009; C04B41/45; C04B41/46; C04B41/48; C04B41/483; C04B41/60; C04B41/61; C04B41/62; C04B41/63
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
THE METHOD OF TREATING SURFACES OF ARTICLES MOLDED FROM GLASS CLOTH LAMINATIONS WITH A HEAT CURABLE RESIN BINDER COMPRISING PROPYLENE MALEATE PHTHALATE CONTAINING APPROXIMATELY 34% MONOMERIC STYRENE COMPRISING THE STEPS OF APPLYING TO THE SURFACE A THIN COAT OF A LOW VISCOSITY 100% REACTIVE HEAT CURABLE LIQUID RESIN COMPRISING TETRAETHYLENEGLYCOL DIMETHACRYLATE MADE FROM A MIXTURE OF HIGHER GLYCOLS AND ACTIVATED BY A SUITABLE CATALYST COMPRISING 0.2% LAUROYL PEROXIDE: SANDING SAID SURFACE UNTIL IT IS SUBSTANTIALLY DRY; APPLYING A SECONF THIN COAT OF SAID ACTIVATED LIQUID RESIN; AND HEAT CURING SAID SURFACE BY SUBJECTING THE ARTICLE TO HEAT OF APPROXIMATELY 125* C. FOR ABOUT 25 MINUTES.
Claim 2
Independent Claim
105 words
THE METHOD OF TREATING SURFACES OF ARTICLES MOLDED FROM GLASS CLOTH LAMINATIONS WITH A HEAT CURABLE RESIN BINDER COMPRISING PROPYLENE MALEATE PHTHALATE CONTAINING APPROXIMATELY 34% MONOMERIC STYRENE COMPRISING THE STEPS OF APPLYING TO THE SURFACE A THIN COAT OF A LOW VISCOSITY 100% REACTIVE HEAT CURABLE LIQUID RESIN COMPRISING TETRAETHYLENEGLYCOL DIMETHACRYLATE MADE FROM A MIXTURE OF HIGHER GLYCOLS AND ACTIVATED BY A SUITABLE CATALYST COMPRISING 0.2% LAUROYL PEROXIDE: SANDING SAID SURFACE UNTIL IT IS SUBSTANTIALLY DRY; APPLYING A SECONF THIN COAT OF SAID ACTIVATED LIQUID RESIN; AND HEAT CURING SAID SURFACE BY SUBJECTING THE ARTICLE TO HEAT OF APPROXIMATELY 125* C. FOR ABOUT 25 MINUTES.
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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) | 1955-01-21 | 1955-07-23 | 1956-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-21 | 1959-07-23 | 1960-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-21 | 1963-07-23 | 1964-01-22 | $7700.00 | Window Closed / Lapsed |