US3625731A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Staining plastic surfaces
Assignee: OI Glass Inc
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Filing: 1968-11-12
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Granted: 1971-12-07
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Expires: 1988-11-12
Abstract
Abstract PLASTIC ARTICLES ARE PROVIDED WITH SUB-SURFACE MARKINGS WHICH ARE SCUFF-PROOF AND RESISTANT TO ACID, ALKALI AND SOLVENT ATTACK; A STAINING COMPOSITION WHICH INCLUDES A PENETRATING DYE AND A CARRIER MEDIUM COMPRISED OF A WATER-SOLUBLE OR WATER-DISPERSIBLE RESIN OR POLYMER IS APPLIED TO A PLASTIC SURFACE IN A DESIRED PATTERN, THE SURFACE AND STAINING COMPOSITION ARE THEN SUITABLY PROCESSED TO EFFECTUATE AT LEAST A PARTIAL DIFFUSION OF THE DYE BENEATH THE SURFACE AND THE RESIDUAL COMPOSITION IS REMOVED FROM THE SURFACE BY TREATMENT WITH WATER OR AN AQUEOUS MEDIUM, THEREBY RESULTING IN A DURABLE AND RESISTANT SUBSURFACE PATTERN.
Inventors
- 👤 Lynn J Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:35
CPC Classifications
B; B44; B44C; B44C3/00; B44C3/005; C; C08; C08J; C08J7/00; C08J7/04; C08J7/0427; C08J7/043; C08J7/046
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) | 1974-12-06 | 1975-06-07 | 1975-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-12-06 | 1979-06-07 | 1979-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-12-06 | 1983-06-07 | 1983-12-07 | $7700.00 | Window Closed / Lapsed |