US3060051A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of fusing powder images
Assignee: RCA Corp
•
Filing: 1958-11-25
•
Granted: 1962-10-23
•
Expires: 1978-11-25
Abstract
No abstract record available.
Inventors
- 👤 Sigurd W Johnson
- 👤 John P Lauriello
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:57
CPC Classifications
G; G03; G03G; G03G9/00; G03G9/08; G03G9/0825; Y; Y10; Y10S; Y10S430/00; Y10S430/001; Y10S430/101
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
IN A PROCESS FOR PRODUCING POWDER IMAGES ON A SURFACE WITH A DEVELOPING POWDER COMPRISING CARRIER PARTICLES COATED WITH A THERMOPLASTIC MATERIAL, THE IMPROVEMENT COMPRISING HEATING SAID DEVELOPER POWDER ON SAID SURFACE AT A TEMPERATURE AT LEAST EQUAL TO THE MELTING POINT OF SAID THERMOPLASTIC MATERIAL FOR A TIME SUFFICIENT TO MELT THAT PORTION OF SAID COATING MATERIAL IN CONTACT WITH SAID SURFACE AND, AFTER SAID PORTION OF SAID COATING MATERIAL IS FUSED TO SAID SURFACE, REMOVING SAID COATING MATERIAL NOT FUSED TO SAID SURFACE AND SUBSTANTIALLY ALL OF SAID CARRIER PARTICLES.
Claim 2
Dependent Claim
92 words
IN A PROCESS FOR PRODUCING POWDER IMAGES ON A SURFACE WITH A DEVELOPING POWDER COMPRISING CARRIER PARTICLES COATED WITH A THERMOPLASTIC MATERIAL, THE IMPROVEMENT COMPRISING HEATING SAID DEVELOPER POWDER ON SAID SURFACE AT A TEMPERATURE AT LEAST EQUAL TO THE MELTING POINT OF SAID THERMOPLASTIC MATERIAL FOR A TIME SUFFICIENT TO MELT THAT PORTION OF SAID COATING MATERIAL IN CONTACT WITH SAID SURFACE AND, AFTER SAID PORTION OF SAID COATING MATERIAL IS FUSED TO SAID SURFACE, REMOVING SAID COATING MATERIAL NOT FUSED TO SAID SURFACE AND SUBSTANTIALLY ALL OF SAID CARRIER PARTICLES.
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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) | 1965-10-22 | 1966-04-23 | 1966-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-22 | 1970-04-23 | 1970-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-22 | 1974-04-23 | 1974-10-23 | $7700.00 | Window Closed / Lapsed |