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US3573085A
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US
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Abrasive-containing capsular coating composition for pressure-sensitive record paper
Assignee: BASF Catalysts LLC
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Filing: 1968-07-03
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Granted: 1971-03-30
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Expires: 1988-07-03
Abstract
Abstract INERT NON-ABSORPTIVE, RIGID MICROSCOPIC PARTICLES ARE SCATTERED AMONG MICROSCOPIC PRESSURE-RUPTURABLE OIL-CONTAINING CAPSULES IN A COATING ON PRESSURE-SENSITIVE RECORD SHEET MATERIAL.
Inventors
- 👤 Glen A Hemstock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:34
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/124; B41M5/1243
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) | 1974-03-29 | 1974-09-28 | 1975-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-29 | 1978-09-28 | 1979-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-29 | 1982-09-28 | 1983-03-30 | $7700.00 | Window Closed / Lapsed |