US3707347A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Staining plastic surfaces
Assignee: Kimble Glass Inc
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Filing: 1971-08-17
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Granted: 1972-12-26
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Expires: 1991-08-17
Abstract
Abstract PLASTIC ARTICLES ARE PROVIDED WITH SUB-SURFACE MARKINGS WHICH ARE SCUFF-PROOF AND RESISTANT TO ACID, ALKALI AND SOLVENT ATTACK. DYE-BEARING COMPOSITIONS ARE APPLIED TO A PLASTIC SURFACE IN A DESIRED PATTERN; SURFACE AND DYEBEARING COMPOSITION ARE THEN SUITABLY PROCESSED TO EFFECTUATE A DIFFUSION OF THE DYE INTO THE SURFACE AND THE RESIDUAL COMPOSITION IS REMOVED FROM THE SURFACE, THEREBY RESULTING IN A DURABLE AND RESISTANT SUB-SURFACE PATTERN.
Inventors
- 👤 Bruce M Mueller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:36
CPC Classifications
C; C08; C08J; C08J7/00; C08J7/04; C08J7/06; C08J7/065
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-12-26 | 1976-06-26 | 1976-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-12-26 | 1980-06-26 | 1980-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-12-26 | 1984-06-26 | 1984-12-26 | $7700.00 | Window Closed / Lapsed |