US3202741A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing sheet material with textured pearly surface
Assignee: Patrician Plastic Corp
•
Filing: 1961-11-09
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Granted: 1965-08-24
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Expires: 1981-11-09
Abstract
No abstract record available.
Inventors
- 👤 Gerson Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 01:41
CPC Classifications
C; C08; C08K; C08K11/00; B; B29; B29D; B29D19/00; B29D19/04; B44; B44F; B44F9/00; B44F9/08; B29K; B29K2105/00; B29K2105/0002
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
IN THE METHOD OF MAKING PEARLY PLASTIC SHEET MATERIAL IN WHICH A FLUID MIXTURE OF A POLYMERIC UNSATURATED POLYESTER RESIN AN PLATE-LIKE PARTICLES OF PEARL ESSENCE IS CENTRIFUGALLY CAST BY FLOWING THE FLUID MIXTURE SLOWLY INTO CONTACT WITH THE INNER SURFACE OF A ROTATING CYLINDRICAL VESSEL WHEREIN THE MILXTURE IS POLYMERIZED TO A FLACCID CONDITION, THE RESULTING TUBE WITH THE PEARL ESSENCE ORIENTED THEREIN FOR MACREOUS APPEARANCE IS CUT LONGITUDINALLY WHILE IN THE FLACCID CONDITION SO AS TO FORM A FLAT SHEET FROM WHICH AN ARTICLE BLANK CAN BE PUNCHED BEFORE THE CHEMICAL CROSS-LINKING OF THE RESIN IS COMPLETED WITH RESULTING HARDENING THEREOF, THE IMPROVEMENT WHICH COMPRISES PROVIDING THE CYLINDRICAL VESSEL WITH A
Claim 2
Dependent Claim
113 words
IN THE METHOD OF MAKING PEARLY PLASTIC SHEET MATERIAL IN WHICH A FLUID MIXTURE OF A POLYMERIC UNSATURATED POLYESTER RESIN AN PLATE-LIKE PARTICLES OF PEARL ESSENCE IS CENTRIFUGALLY CAST BY FLOWING THE FLUID MIXTURE SLOWLY INTO CONTACT WITH THE INNER SURFACE OF A ROTATING CYLINDRICAL VESSEL WHEREIN THE MILXTURE IS POLYMERIZED TO A FLACCID CONDITION, THE RESULTING TUBE WITH THE PEARL ESSENCE ORIENTED THEREIN FOR MACREOUS APPEARANCE IS CUT LONGITUDINALLY WHILE IN THE FLACCID CONDITION SO AS TO FORM A FLAT SHEET FROM WHICH AN ARTICLE BLANK CAN BE PUNCHED BEFORE THE CHEMICAL CROSS-LINKING OF THE RESIN IS COMPLETED WITH RESULTING HARDENING THEREOF, THE IMPROVEMENT WHICH COMPRISES PROVIDING THE CYLINDRICAL VESSEL WITH A
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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) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |