US2647060A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nonsmudging duplicating ink
Assignee: Ortech Corp
•
Filing: 1950-02-13
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Granted: 1953-07-28
•
Expires: 1970-02-13
Abstract
No abstract record available.
Inventors
- 👤 William N B Armstrong
- 👤 Hyman S Kredentser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:14
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/10; C; C09; C09D; C09D11/00; C09D11/02; Y; Y10; Y10S; Y10S524/00; Y10S524/925
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
62 words
A NON-SMUDGING DUPLICATING INK FOR COLD APPLICATION COMPRISING THE FOLLOWING INGREDIENTS IN APPROXIMATELY THE FOLLOWING PROPORTIONS BY WEIGHTD 126 PARTS OF A WAX-OIL-COLOUR BLEND, 30 PARTS CLAY FILLER, 26 PRTS OF A COMPATIBLE FRIABLE RESIN RESISTANT TO OXIDATION AND POLYMERIZATION, 26 PARTS OF A BLEND OF PRIMARY AMIDS OF LONGCHAIN FATTY ACIDS, 1 TO 3 PARTS ETHYL CELLULOSE AND 172 PARTS SOLVENT.
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GB448578A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-27 | 1957-01-26 | 1957-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-27 | 1961-01-26 | 1961-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-27 | 1965-01-26 | 1965-07-28 | $7700.00 | Window Closed / Lapsed |