US2726174A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spot carbon printing machine
Assignee: Individual
•
Filing: 1952-07-19
•
Granted: 1955-12-06
•
Expires: 1972-07-19
Abstract
No abstract record available.
Inventors
- 👤 Roy L Friel
- 👤 Gotthard A Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:14
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/10; B41L; B41L1/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
THE METHOD OF APPLYING A COATING OF CARBON-TRANSFER MATERIAL ONTO THE SURFACE OF A CARRIER SHEET WHICH CONSISTS IN BRUSHING THE SHEET SURFACE WITH A CONTINUOUSLY MOVING FILM OF THE COATING MATERIAL WHILE SUPPORTING THE SHEET INDEPENDENTLY OF THE FILM SO THAT IT HAS SUBSTANTIALLY NO PRESSURE CONTACT THEREWITH IN THE DIRECTION NORMAL TO THE SHEET SURFACE, AND WHILE MOVING THE SHEET IN THE DIRECTION OPPOSITE THE MOVEMENT OF THE COATING MATERIAL FILM AND AT A CONSTANT SPEED.
Claim 2
Independent Claim
78 words
THE METHOD OF APPLYING A COATING OF CARBON-TRANSFER MATERIAL ONTO THE SURFACE OF A CARRIER SHEET WHICH CONSISTS IN BRUSHING THE SHEET SURFACE WITH A CONTINUOUSLY MOVING FILM OF THE COATING MATERIAL WHILE SUPPORTING THE SHEET INDEPENDENTLY OF THE FILM SO THAT IT HAS SUBSTANTIALLY NO PRESSURE CONTACT THEREWITH IN THE DIRECTION NORMAL TO THE SHEET SURFACE, AND WHILE MOVING THE SHEET IN THE DIRECTION OPPOSITE THE MOVEMENT OF THE COATING MATERIAL FILM AND AT A CONSTANT SPEED.
References Cited (Backward Citations)
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US789718A
Cited
US1166004A
Cited
US1223176A
Cited
US1347066A
Cited
US1961093A
Cited
US2470093A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-12-05 | 1959-06-06 | 1959-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-12-05 | 1963-06-06 | 1963-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-12-05 | 1967-06-06 | 1967-12-06 | $7700.00 | Window Closed / Lapsed |