US2709654A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermographic method of producing relief and intaglio impressions
Assignee: Individual
•
Filing: 1950-09-29
•
Granted: 1955-05-31
•
Expires: 1970-09-29
Abstract
No abstract record available.
Inventors
- 👤 Adalbert B Guth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:31
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/26; G03F7/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
IN A PROCESS OF PRODUCING RELIEFS WHEREIN AN ORGANIC COLLOID COMPOSITION HAVING TANNED AND UNTANNED SURFACE AREAS AND CONTAINING A LIQUID THROUGHOUT IS HEATED TO FORM A RELIEF AT THE TANNED AREAS, THE IMPROVEMENT WHEREIN SAID HEATING CONSISTS IN HEATING THE COMPOSITION TO APPROXIMATELY THE BOILING POINT OF THE LIQUID FOR A SUFFICIENT TIME TO RAISE THE TANNED PORTIONS IN RELIEF, SAID HEATING BEING CARRIED OUT WHILE A GAS IMPERMEABLE PLATE IS IN PRESSURE CONTACT WITH AND SUPPORTED BY THE SURFACE OF SAID COMPOSITION.
Claim 2
Dependent Claim
84 words
IN A PROCESS OF PRODUCING RELIEFS WHEREIN AN ORGANIC COLLOID COMPOSITION HAVING TANNED AND UNTANNED SURFACE AREAS AND CONTAINING A LIQUID THROUGHOUT IS HEATED TO FORM A RELIEF AT THE TANNED AREAS, THE IMPROVEMENT WHEREIN SAID HEATING CONSISTS IN HEATING THE COMPOSITION TO APPROXIMATELY THE BOILING POINT OF THE LIQUID FOR A SUFFICIENT TIME TO RAISE THE TANNED PORTIONS IN RELIEF, SAID HEATING BEING CARRIED OUT WHILE A GAS IMPERMEABLE PLATE IS IN PRESSURE CONTACT WITH AND SUPPORTED BY THE SURFACE OF SAID COMPOSITION.
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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) | 1958-05-30 | 1958-11-29 | 1959-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-30 | 1962-11-29 | 1963-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-30 | 1966-11-29 | 1967-05-31 | $7700.00 | Window Closed / Lapsed |