US3074840A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Single-stage process for molding decorated plastic tableware
Assignee: Brookpark Inc
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Filing: 1959-12-07
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Granted: 1963-01-22
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Expires: 1979-12-07
Abstract
No abstract record available.
Inventors
- 👤 George J Teplansky
- 👤 Edward P Grass
- 👤 Burke A Weisend
- 👤 Lewis Lawrence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 00:39
CPC Classifications
B; B32; B32B; B32B27/00; A; A47; A47G; A47G19/00; A47G19/02; B29; B29C; B29C43/00; B29C43/02; B29C43/18; B29C43/183; B29C43/184; B29C70/00; B29C70/68; B29C70/681; B29C70/683; B29C70/78; A47G2200/00; A47G2200/16; A47G2200/163; B29K; B29K2105/00; B29K2105/25; B29K2105/253; B29K2105/255; B29K2313/00; B29K2711/00; B29K2711/12; B29L; B29L2031/00; B29L2031/74; B29L2031/7404; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1043; Y10T156/1044; Y10T156/1048
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
A SINGLE-STAGE PROCESS FOR MOLDING DECORATED PLASTIC TABLEWARE IN A MATCHED METAL COMPRESSION MOLD COMPRISING THE STEPS OF INTRODUCING INTO THE MOLD CAVITY A PREFORMED PILL OF SYNTHETIC RESIN, A RESIN-POOR DECORATED INSERT OF HIGH WET STRENGTH AND A RESIN-RICH UNDECORATED INSERT OF LOW WET STRENGTH THAT IS IMPREGNATED IN HIGH DEGREE WITH SYNTHETIC RESIN COMPATIBLE WITH THE SYNTHETIC RESIN OF THE MOLD CHARGE, SAID DECORATED AND UNDECORATED INSERTS TAKING THE FORM OF SEPARATE LAMINE; CLOSING THE MOLD; AND, WITHOUT OPENING THE MOLD IN THE MEANWHILE SUBJECTING THE CONTENTS OF THE MOLD TO SUPERATMOSPHERIC PRESSURES AND TEMPERATURES FOR A PERIOD OF TIME LONG ENOUGH TO EFFECT A CURE.
Claim 2
Dependent Claim
108 words
A SINGLE-STAGE PROCESS FOR MOLDING DECORATED PLASTIC TABLEWARE IN A MATCHED METAL COMPRESSION MOLD COMPRISING THE STEPS OF INTRODUCING INTO THE MOLD CAVITY A PREFORMED PILL OF SYNTHETIC RESIN, A RESIN-POOR DECORATED INSERT OF HIGH WET STRENGTH AND A RESIN-RICH UNDECORATED INSERT OF LOW WET STRENGTH THAT IS IMPREGNATED IN HIGH DEGREE WITH SYNTHETIC RESIN COMPATIBLE WITH THE SYNTHETIC RESIN OF THE MOLD CHARGE, SAID DECORATED AND UNDECORATED INSERTS TAKING THE FORM OF SEPARATE LAMINE; CLOSING THE MOLD; AND, WITHOUT OPENING THE MOLD IN THE MEANWHILE SUBJECTING THE CONTENTS OF THE MOLD TO SUPERATMOSPHERIC PRESSURES AND TEMPERATURES FOR A PERIOD OF TIME LONG ENOUGH TO EFFECT A CURE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-21 | 1966-07-23 | 1967-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-21 | 1970-07-23 | 1971-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-21 | 1974-07-23 | 1975-01-22 | $7700.00 | Window Closed / Lapsed |