US2890969A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manifold sheet having a frangible coating thereon
Assignee: Uarco Inc
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Filing: 1956-08-03
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Granted: 1959-06-16
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Expires: 1976-08-03
Abstract
No abstract record available.
Inventors
- 👤 Frederick V Schossberger
- 👤 Donald K Werle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:48
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/124; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24802; Y10T428/24893; Y10T428/24901; Y10T428/249921; Y10T428/249953; Y10T428/249962; Y10T428/249963; Y10T428/25; Y10T428/256; Y10T428/29; Y10T428/2982; Y10T428/2989; Y10T428/31504; Y10T428/31826; Y10T428/31841
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A MANIFOLD SHEET HAVING A COATING OF PARTICLES CRUSHABLE BY PRINTING PRESSURES, WHICH PARTICLES ARE OF DARK COLOR AND INDIVIDUALLY COATED WITH A PRESSURE SENSITIVE PIGMENT OF LIGHT COLOR CRUSHABLE BY PRINTING PRESSURES, THE DARK COLOR PARTICLES BEING OF A SIZE GENERALLY IN THE RANGE OF 20 TO 100 MICRONS AND THE LIGHT COLOR PIGMENT BEING OF A PARTICLE SIZE GENERALLY IN THE RANGE OF 1 TO 5 MICRONS.
Claim 2
Dependent Claim
69 words
A MANIFOLD SHEET HAVING A COATING OF PARTICLES CRUSHABLE BY PRINTING PRESSURES, WHICH PARTICLES ARE OF DARK COLOR AND INDIVIDUALLY COATED WITH A PRESSURE SENSITIVE PIGMENT OF LIGHT COLOR CRUSHABLE BY PRINTING PRESSURES, THE DARK COLOR PARTICLES BEING OF A SIZE GENERALLY IN THE RANGE OF 20 TO 100 MICRONS AND THE LIGHT COLOR PIGMENT BEING OF A PARTICLE SIZE GENERALLY IN THE RANGE OF 1 TO 5 MICRONS.
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) | 1962-06-15 | 1962-12-15 | 1963-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-15 | 1966-12-15 | 1967-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-15 | 1970-12-15 | 1971-06-16 | $7700.00 | Window Closed / Lapsed |