US3088841A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety inks and documents
Assignee: American Bank Note Co
•
Filing: 1960-03-01
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Granted: 1963-05-07
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Expires: 1980-03-01
Abstract
No abstract record available.
Inventors
- 👤 Clifford D Guertin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:59
CPC Classifications
B; B42; B42D; B42D25/00; B42D25/20; B42D25/29; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24802; Y10T428/24835
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
A PRINTED DOCUMENT SENSITIVE TO ATTEMPTED ALTERATION COMPRISING AN AREA ADAPTED TO BE WRITTEN UPON IN INK AND HAVING A BACKGROUND OF PRINTED ELEMENTS, CERTAIN OF THE BACKGROUND ELEMENTS OF SAID BEING PRINTED IN BLEACHABLE WATER-SOLUBLE AND LOWET ALCHOL AND LOWER KETONE INSOLUBLE INK WHEREIN SAID LOWER ALCHOL AND SAID LOWER KETONE CONTAINS NOT MORE THAN 8 CARBON ATOMS PER MOLECULE AND CERTAIN OTHER BACKGROUND ELEMENTS OF SAID AREA PRINTED IN NON-BLEACHABLE, WATER-INSOLUBLE AND THE AFORESAID LOWER ALCHOL AND THE AFORESAID LOWER KETONE SOLUBLE INK SO THAT CERTAIN PRINTED ELEMENTS ARE BLEACHABLE AND WATER-SOLUBLE AND SAID CERTAIN OTHER PRINTED ELEMENTS ARE SOLUBLE IN THE AFORESAID LOWER ALCOHOL AND IN THE AFORESAID LOWER KETONE.
Claim 2
Dependent Claim
113 words
A PRINTED DOCUMENT SENSITIVE TO ATTEMPTED ALTERATION COMPRISING AN AREA ADAPTED TO BE WRITTEN UPON IN INK AND HAVING A BACKGROUND OF PRINTED ELEMENTS, CERTAIN OF THE BACKGROUND ELEMENTS OF SAID BEING PRINTED IN BLEACHABLE WATER-SOLUBLE AND LOWET ALCHOL AND LOWER KETONE INSOLUBLE INK WHEREIN SAID LOWER ALCHOL AND SAID LOWER KETONE CONTAINS NOT MORE THAN 8 CARBON ATOMS PER MOLECULE AND CERTAIN OTHER BACKGROUND ELEMENTS OF SAID AREA PRINTED IN NON-BLEACHABLE, WATER-INSOLUBLE AND THE AFORESAID LOWER ALCHOL AND THE AFORESAID LOWER KETONE SOLUBLE INK SO THAT CERTAIN PRINTED ELEMENTS ARE BLEACHABLE AND WATER-SOLUBLE AND SAID CERTAIN OTHER PRINTED ELEMENTS ARE SOLUBLE IN THE AFORESAID LOWER ALCOHOL AND IN THE AFORESAID LOWER KETONE.
References Cited (Backward Citations)
US248198A
Cited
US322130A
Cited
US538625A
Cited
US595281A
Cited
US953081A
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US1390959A
Cited
US1911774A
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US2378585A
Cited
US2305098A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-06 | 1966-11-05 | 1967-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-06 | 1970-11-05 | 1971-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-06 | 1974-11-05 | 1975-05-07 | $7700.00 | Window Closed / Lapsed |