US3672935A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure-sensitive record material
Assignee: Appvion LLC
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Filing: 1970-06-09
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Granted: 1972-06-27
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Expires: 1990-06-09
Abstract
Abstract A PRESSURE-SENSITIVE RECORD UNIT COMPRISING SUPPORT SHEET MATERIAL HAVING MARK-FORMING COMPONENTS AND A PRESSURE-RELEASABLE LIQUID SOLVENT FOR SAID MARK-FORMING COMPONENTS ARRANGED IN CONTIGUOUS JUXTAPOSITION ON SAID SHEET MATERIAL, AT LEAST ONE OF THE MARK-FORMING COMPONENTS BEING MAINTAINED IN ISOLATION FROM THE OTHER MARKFORMING COMPONENT(S) PRIOR TO RELEASE OF THE SOLVENT, AND SAID MARK-FORMING COMPONENTS COMPRISING AT LEAST ONE CHROMOGENIC MATERIAL AND AT LEAST ONE PHENOL-ALDEHYDE POLYMERIC MATERIAL SOLUBLE IN THE LIQUID SOLVENT AND REACTIVE WITH THE CHROMOGENIC MATERIAL TO PRODUCE A MARK.
Inventors
- 👤 Robert E Miller
- 👤 Paul S Phillips Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:15
CPC Classifications
C; C08; C08G; C08G8/00; C08G8/04; C08G8/08; C08G8/16; B; B41; B41M; B41M5/00; B41M5/124; B41M5/132; B41M5/155; C08G8/14; C08G8/24; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31942; Y10T428/31949; Y10T428/31964
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) | 1975-06-27 | 1975-12-27 | 1976-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-27 | 1979-12-27 | 1980-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-27 | 1983-12-27 | 1984-06-27 | $7700.00 | Window Closed / Lapsed |