Patent US2494531A successfully refreshed from Google Patents.
US2494531A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ski lacquer
Assignee: RTX Corp
•
Filing: 1946-08-09
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Granted: 1950-01-17
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Expires: 1966-08-09
Abstract
No abstract record available.
Inventors
- 👤 Theodore A Dissel
- 👤 Newell Isaac Laird
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:10
CPC Classifications
C; C09; C09D; C09D101/00; C09D101/08; C09D101/16; C09D101/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
A SKI LACQUER COMPOSITION, COMPRISING A WAX, AN ALKALINE EARTH METAL SALT OF A DIOCTYL ESTER OF SULFO-SUCCINIC ACID, AND A NITROCELLULOSE COMPOSITION, THE RATIO OF THE WAX TO SAID SALT BEING FROM ABOUT 0.17:1 TO ABOUT .587:1, THE RATIO OF WAX: NITROCELLULOSE BEING FROM ABOUT .062:1 TO ABOUT .175:1, AND THE TOTAL WEIGHT PERCENT OF SAID WAX PLUS SAID SALT BEING FROM ABOUT 7.15% TO ABOUT 35.5% OF THE TOTAL SOLIDS IN SAID COMPOSITION.
Claim 2
Dependent Claim
75 words
A SKI LACQUER COMPOSITION, COMPRISING A WAX, AN ALKALINE EARTH METAL SALT OF A DIOCTYL ESTER OF SULFO-SUCCINIC ACID, AND A NITROCELLULOSE COMPOSITION, THE RATIO OF THE WAX TO SAID SALT BEING FROM ABOUT 0.17:1 TO ABOUT .587:1, THE RATIO OF WAX: NITROCELLULOSE BEING FROM ABOUT .062:1 TO ABOUT .175:1, AND THE TOTAL WEIGHT PERCENT OF SAID WAX PLUS SAID SALT BEING FROM ABOUT 7.15% TO ABOUT 35.5% OF THE TOTAL SOLIDS IN SAID COMPOSITION.
References Cited (Backward Citations)
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US2028091A
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US2121617A
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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) | 1953-01-16 | 1953-07-18 | 1954-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-16 | 1957-07-18 | 1958-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-16 | 1961-07-18 | 1962-01-17 | $7700.00 | Window Closed / Lapsed |