Pressure-sensitive record material
Abstract
Abstract THIS INVENTION RELATES TO PRESSURE-SENSITIVE RECORD MATERIAL COMPRISING SUBSTRATE SHEET MATERIAL SUPPORTING PRESSURE-RUPTURABLE MARKING-LIQUID-CONTAINING CAPSULES SUFFICIENT IN NUMBER AND LIQUID CONTENT TO YIELD A VISUALLY CONTINUOUS IMAGE PATTERN WHEN RUPTURED BY A PATTERN OF IMAGE MARKING PRESSURE, SAID CAPSULES BEING ARRANGED IN THE RECORD MATERIAL IN APPOSITION TO SOLID CO-REACTANT MATERIAL WHICH, ON CONTACT WITH THE LIQUID, FORMS AN INTENSELY-COLORED REACTANT SLUDGE OF NEUTRAL HUE, THE INVENTIVE MERIT BEING THAT THE LIQUID CONTENTS OF THE CAPSULES IS A SINGLE LIQUID COMPOUND OR MIXTURES OF LIQUID COMPOUNDS WITHOUT DILUENT OR DISPERSANT, EVERY MOLECULE OF THE LIQUID CAPSULE CONTENTS BEING REACTIVE WITH THE AVAILABLE SOLID MATERIAL TO PRODUCE THE SLUDGE-LIKE MARK.
Inventors
- 👤 Paul S Phillips Jr
Bibliographic Details
Claims Analysis
Total Claims: 0References 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) | 1974-01-25 | 1974-07-27 | 1975-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-25 | 1978-07-27 | 1979-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-25 | 1982-07-27 | 1983-01-26 | $7700.00 | Window Closed / Lapsed |