Patent US3230106A successfully refreshed from Google Patents.
US3230106A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for hot wax carbon printing
Assignee: Royal Typewriter Co Inc
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Filing: 1962-02-01
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Granted: 1966-01-18
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Expires: 1982-02-01
Abstract
No abstract record available.
Inventors
- 👤 Lloyd L West
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:34
CPC Classifications
B; B41; B41M; B41M3/00; B41M5/00; B41M5/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
THE HEREIN METHOD WHICH INCLUDES THE STEPS OF HEATING A SUBSTANTIALLY SOLID CARBON WAX INK TO A FIRST ELEVATED TEMPRATURE TO RENDER IT FLOWABLE BUT OF RELATIVELY HIGH VISCOSITY SO THAT IT AS A HIGH AFFINITY FOR STEEL AND RUBBER COVERED ROLLERS, FORMING AND MOVING A FILM OF SAID HIGHLY VISCOUS INK WHILE AT SAID FIRST TEMPERATURE TO A TRANSFER POINT, HEATING THE PRINTING SURFACE AREAS OF PRINTING PLATE TO A SECOND ELEVATED TEMPERATURE THAT IS HIGHER THAN THE TEMPERATURE OF SAID INK AT SAID TRANSFER POINT, MOVING SAID HEATED PRINTING SURFACE AREAS INTO CONTACT WITH THE INK AT SAID TRANSFER POINT TO THEREBY INCREASE ITS FLUIDITY AND LOWER ITS VISCOSITY SO AS TO READILY COAT SAID PRINTING SURFACE AREAS.
Claim 2
Dependent Claim
120 words
THE HEREIN METHOD WHICH INCLUDES THE STEPS OF HEATING A SUBSTANTIALLY SOLID CARBON WAX INK TO A FIRST ELEVATED TEMPRATURE TO RENDER IT FLOWABLE BUT OF RELATIVELY HIGH VISCOSITY SO THAT IT AS A HIGH AFFINITY FOR STEEL AND RUBBER COVERED ROLLERS, FORMING AND MOVING A FILM OF SAID HIGHLY VISCOUS INK WHILE AT SAID FIRST TEMPERATURE TO A TRANSFER POINT, HEATING THE PRINTING SURFACE AREAS OF PRINTING PLATE TO A SECOND ELEVATED TEMPERATURE THAT IS HIGHER THAN THE TEMPERATURE OF SAID INK AT SAID TRANSFER POINT, MOVING SAID HEATED PRINTING SURFACE AREAS INTO CONTACT WITH THE INK AT SAID TRANSFER POINT TO THEREBY INCREASE ITS FLUIDITY AND LOWER ITS VISCOSITY SO AS TO READILY COAT SAID PRINTING SURFACE AREAS.
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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) | 1969-01-17 | 1969-07-19 | 1970-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-17 | 1973-07-19 | 1974-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-17 | 1977-07-19 | 1978-01-18 | $7700.00 | Window Closed / Lapsed |