US3269886A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Artistic masonry item and method of making
Assignee: R J PURTELL
•
Filing: 1964-06-17
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Granted: 1966-08-30
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Expires: 1984-06-17
Abstract
No abstract record available.
Inventors
- 👤 Ernest A Dellenbaugh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:23
CPC Classifications
B; B28; B28B; B28B7/00; B28B7/36; B28B7/368; B28B7/0064; B28B7/007; B44; B44C; B44C3/00; B44C3/04; B44C3/046; B44F; B44F11/00; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24355; Y10T428/24446; Y10T428/24479; Y10T428/26; Y10T428/263; Y10T428/264; Y10T428/265
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
138 words
THE METHOD OF PRODUCING AN ARTISTIC SURFACE DESIGN ON A MOLDED ARTICLE COMPRISING: (A) FACING A MOLD WITH A RELATIVELY THIN DRY SOLVENT SWELLABLE POLYVINYL ALCOHOL FILM, (B) APPLYING WITHIN SAID MOLD ON SAID FILM A FLOWABLE SETTABLE PLASTIC MATERIAL HAVING INCORPORATED THEREIN SAID FILM SWELLABLE SOLVENT, (C) MAINTAINING SAID FILM IN CONTACT WITH SAID PLASTIC MATERIAL FOR A PERIOD OF TIME SUFFICIENT TO CAUSE SAID SOLVENT TO BE TRANSFERRED FROM SAID PLASTIC MATERIAL TO SAID FILM THEREBY SWELLING SAID FILM AND CREATING THEREIN WRINKLES IN THE FORM OF NONUNIFORM RIDGES AND VALLEYS, SAID RIDGES DISPLACING SAID PLASTIC MATERIAL UNTIL SAID PLASTIC SETS AND SAID SOLVENT NO LONGER REACTS WITH SAID FILM WHEREBY THE WRINKLES IN SAID FILM ARE THEREBY PRODUCED IN SAID PLASTIC MATERIAL, AND (D) REMOVING SAID FILM FROM THE FACE OF SAID SET PLASTIC MATERIAL.
Claim 2
Independent Claim
138 words
THE METHOD OF PRODUCING AN ARTISTIC SURFACE DESIGN ON A MOLDED ARTICLE COMPRISING: (A) FACING A MOLD WITH A RELATIVELY THIN DRY SOLVENT SWELLABLE POLYVINYL ALCOHOL FILM, (B) APPLYING WITHIN SAID MOLD ON SAID FILM A FLOWABLE SETTABLE PLASTIC MATERIAL HAVING INCORPORATED THEREIN SAID FILM SWELLABLE SOLVENT, (C) MAINTAINING SAID FILM IN CONTACT WITH SAID PLASTIC MATERIAL FOR A PERIOD OF TIME SUFFICIENT TO CAUSE SAID SOLVENT TO BE TRANSFERRED FROM SAID PLASTIC MATERIAL TO SAID FILM THEREBY SWELLING SAID FILM AND CREATING THEREIN WRINKLES IN THE FORM OF NONUNIFORM RIDGES AND VALLEYS, SAID RIDGES DISPLACING SAID PLASTIC MATERIAL UNTIL SAID PLASTIC SETS AND SAID SOLVENT NO LONGER REACTS WITH SAID FILM WHEREBY THE WRINKLES IN SAID FILM ARE THEREBY PRODUCED IN SAID PLASTIC MATERIAL, AND (D) REMOVING SAID FILM FROM THE FACE OF SAID SET PLASTIC MATERIAL.
Claim 3
Dependent Claim
10 words
A PRODUCT PRODUCED BY THE PROCESS DEFINED IN CLAIM 1.
References Cited (Backward Citations)
US1641553A
Cited
GB346888A
Cited
US2140197A
Cited
US2172466A
Cited
US2867560A
Cited
US3048511A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-29 | 1970-02-28 | 1970-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-29 | 1974-02-28 | 1974-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-29 | 1978-02-28 | 1978-08-30 | $7700.00 | Window Closed / Lapsed |