US2643191A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Printing ink for portland cement bases
Assignee: Ruberoid Co
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Filing: 1951-08-15
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Granted: 1953-06-23
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Expires: 1971-08-15
Abstract
No abstract record available.
Inventors
- 👤 Marshall B Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:42
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/009; C04B41/45; C04B41/50; C04B41/5076; C04B41/5079; C04B41/60; C04B41/61; C04B41/65
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
A COMPOSITION OF PRINTING CONSISTENCY OF APPLICATION TO A FRESHLY MADE BASE OF PORTLAND CEMENT REENFORCED WITH ASBESTOS FIBERS, CONSISTING OF POWDERED PORTLAND CEMENT AND PIGMENT, IN A VEHICLE CONSISTING OF A LIQUID HYDROCARBON THAT WILL NOT INHIBIT HYDRATION OF THE CEMENT OF THE BASE AND AN ALUMINUM SOAP.
Claim 2
Dependent Claim
49 words
A COMPOSITION OF PRINTING CONSISTENCY OF APPLICATION TO A FRESHLY MADE BASE OF PORTLAND CEMENT REENFORCED WITH ASBESTOS FIBERS, CONSISTING OF POWDERED PORTLAND CEMENT AND PIGMENT, IN A VEHICLE CONSISTING OF A LIQUID HYDROCARBON THAT WILL NOT INHIBIT HYDRATION OF THE CEMENT OF THE BASE AND AN ALUMINUM SOAP.
References Cited (Backward Citations)
US1039940A
Cited
US1285636A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-22 | 1956-12-22 | 1957-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-22 | 1960-12-22 | 1961-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-22 | 1964-12-22 | 1965-06-23 | $7700.00 | Window Closed / Lapsed |