US2955052A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming a raised image
Assignee: Xerox Corp
•
Filing: 1956-01-03
•
Granted: 1960-10-04
•
Expires: 1976-01-03
Abstract
No abstract record available.
Inventors
- 👤 Chester F Carlson
- 👤 Bogdonoff Harold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:20
CPC Classifications
G; G03; G03G; G03G13/00; G03G13/26; B; B06; B06B; B06B3/00; G03G15/00; G03G15/20; Y; Y10; Y10S; Y10S101/00; Y10S101/37
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
THE METHOD OF FORMING A RAISED IMAGE COMPRISING XEROGRAPHICALLY FORMING A POWDER IMAGE OF TACKIFIABLE XEROGRAPHIC DEVELOPER MATERIAL ON A SUPPORT LAYER, TACKIFYING THE POWDER IMAGE, CASCADING ACROSS THE TACKIFIED IMAGE THOROUGHLY DRIED FREE-FLOWING SOLID PARTICULATE MATERIAL TO ADHERE A LAYER OF SAID PARTICULATE MATERIAL ONLY ON SAID TACKIFIED IMAGE, SAID PARTICULATE MATERIAL BEING STABLE AND UNFUSABLE AT THE TACKIFYING TEMPERATURE OF THE TACKIFIED IMAGE AND BEING SUBSTANTIALLY UNIFORM IN SIZE AND SHAPE AND HAVING A DIAMETER OF NO MORE THAN ABOUT 0.004 INCH, AND THEN HARDENING THE TACKIFIED IMAGE THEREBY BONDING THERETO THE PARTICULATE MATERIAL.
Claim 2
Independent Claim
96 words
THE METHOD OF FORMING A RAISED IMAGE COMPRISING XEROGRAPHICALLY FORMING A POWDER IMAGE OF TACKIFIABLE XEROGRAPHIC DEVELOPER MATERIAL ON A SUPPORT LAYER, TACKIFYING THE POWDER IMAGE, CASCADING ACROSS THE TACKIFIED IMAGE THOROUGHLY DRIED FREE-FLOWING SOLID PARTICULATE MATERIAL TO ADHERE A LAYER OF SAID PARTICULATE MATERIAL ONLY ON SAID TACKIFIED IMAGE, SAID PARTICULATE MATERIAL BEING STABLE AND UNFUSABLE AT THE TACKIFYING TEMPERATURE OF THE TACKIFIED IMAGE AND BEING SUBSTANTIALLY UNIFORM IN SIZE AND SHAPE AND HAVING A DIAMETER OF NO MORE THAN ABOUT 0.004 INCH, AND THEN HARDENING THE TACKIFIED IMAGE THEREBY BONDING THERETO THE PARTICULATE MATERIAL.
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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) | 1963-10-04 | 1964-04-04 | 1964-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-04 | 1968-04-04 | 1968-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-04 | 1972-04-04 | 1972-10-04 | $7700.00 | Window Closed / Lapsed |