US3062676A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Smudge-resistant pressure-sensitive transfer element for placing smudgeresistant marks
Assignee: Columbia Ribbon and Carbon Manufacturing Co Inc
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Filing: 1959-09-09
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Granted: 1962-11-06
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Expires: 1979-09-09
Abstract
No abstract record available.
Inventors
- 👤 Douglas A Newman
- 👤 Harold F E Dixon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:43
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/10; H; H01; H01F; H01F41/00; H01F41/14; H01F41/16; Y; Y10; Y10T; Y10T428/00; Y10T428/28; Y10T428/2848; Y10T428/2852; Y10T428/2878; Y10T428/2883
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
AS A NEW ARTTICLE OF MANUFACTURE, A SMUDGE-RESISTANT PRESSURE-SENSITIVE TRANSFER ELEMENT OF THE CARBON PAPER TYPE DESIGNED FOR THE PLACING OF SMUDGE-RESISTANT IMAGES COMPRISING A FLEXIBLE FOUNDATION SHEET HAVING THEREON THREE MUTUALLY ADHERING LAYERS WHICH ARE SIMULTANEOUSLY LOCALLY TRANSFERABLE FROM THE FOUNDATION TO A COPY SHEET IN A SUBSTANTIALLY STENCILING MANNER IN RESPONSE TO A BELOW OR PRESSURE, THE MIDDLE LAYER BEING CHARGED WITH PIGMENT DESIGNED FOR AUTOMATIC SENSING, THE BASE LAYER ADJACENT THE SURFACE OF THE SHEET HAVING READILY RELEASABLE CONTACT THEREWITH AND CONTAINING A PIGMENT DESIGNED FOR MASKING THE PIGMENT OF THE MIDDLE LAYER OF SAID IMAGES, AND THE TOP LAYER BEING OF SMUDGE-RESISTANT CHARACTER AND HAVING PRONOUNCED ADHESIVENESS FOR SAID COPY SHEET.
Claim 2
Dependent Claim
115 words
AS A NEW ARTTICLE OF MANUFACTURE, A SMUDGE-RESISTANT PRESSURE-SENSITIVE TRANSFER ELEMENT OF THE CARBON PAPER TYPE DESIGNED FOR THE PLACING OF SMUDGE-RESISTANT IMAGES COMPRISING A FLEXIBLE FOUNDATION SHEET HAVING THEREON THREE MUTUALLY ADHERING LAYERS WHICH ARE SIMULTANEOUSLY LOCALLY TRANSFERABLE FROM THE FOUNDATION TO A COPY SHEET IN A SUBSTANTIALLY STENCILING MANNER IN RESPONSE TO A BELOW OR PRESSURE, THE MIDDLE LAYER BEING CHARGED WITH PIGMENT DESIGNED FOR AUTOMATIC SENSING, THE BASE LAYER ADJACENT THE SURFACE OF THE SHEET HAVING READILY RELEASABLE CONTACT THEREWITH AND CONTAINING A PIGMENT DESIGNED FOR MASKING THE PIGMENT OF THE MIDDLE LAYER OF SAID IMAGES, AND THE TOP LAYER BEING OF SMUDGE-RESISTANT CHARACTER AND HAVING PRONOUNCED ADHESIVENESS FOR SAID COPY SHEET.
References Cited (Backward Citations)
US2762715A
Cited
US2912344A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-05 | 1966-05-07 | 1966-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-05 | 1970-05-07 | 1970-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-05 | 1974-05-07 | 1974-11-06 | $7700.00 | Window Closed / Lapsed |