US2714074A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making different colored marks with a single fluid
Assignee: NCR Voyix Corp
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Filing: 1952-05-28
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Granted: 1955-07-26
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Expires: 1972-05-28
Abstract
No abstract record available.
Inventors
- 👤 Barrett K Green
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:37
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/124; B41M5/132; B01; B01J; B01J13/00; B01J13/02; B01J13/025; B41J; B41J31/00; B41J31/02; B41M1/00; B41M1/26; B41M1/36; D; D06; D06P; D06P5/00; D06P5/001; Y; Y10; Y10S; Y10S101/00; Y10S101/29
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
73 words
THE METHOD OF MAKING MARKS OF DIFFERENT COLOR ON A SINGLE PIECE OF RECORD MATERIAL, BY USE OF A SINGLE MARKING FLUID, INCLUDING THE STEPS OF PREPARING MARKING FLUID-RECEIVING RECORD MATERIAL BY SENSITIZING SELECTED AREAS OF THE RECORD MATERIAL BY APPLYING THERETO PARTICLES OF ATTAPULGITE; PREPARING A MARKING FLUID HAVING A NORMAL COLOR AND HAVING THEREIN A SUBSTANTIALLY COLORLESS FLUID VEHICLE IN WHICH HAS BEEN DISPERSED 3,3 BIS(P-DIMETHYLAMINOPHENYL) 6-DIMETHYLAMINO PHTHALIDE, HAVING THE STRUCTURE
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-07-25 | 1959-01-24 | 1959-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-07-25 | 1963-01-24 | 1963-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-07-25 | 1967-01-24 | 1967-07-26 | $7700.00 | Window Closed / Lapsed |