Patent US2533744A successfully refreshed from Google Patents.
US2533744A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antifouling paints
Assignee: Union Oil Company of California
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Filing: 1949-02-07
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Granted: 1950-12-12
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Expires: 1969-02-07
Abstract
No abstract record available.
Inventors
- 👤 Davis A Skinner
- 👤 Thomas F Doumani
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:19
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
44 words
AN ANTI-FOULING PAINT COMPOSITION COMPRISING A PAINT WHICH IS NORMALLY SUBJECT TO FOULING BY MARINE ORGANISMS WHEN APPLIED TO SURFACES EXPOSED TO MARINE WATERS AND A COPPER AKLYN MERCAPTIDE HAVING FROM 1 TO 7 CARBON ATOMS IN AN AMOUNT SUFFICIENT TO INHIBIT SAID FOULING.
Claim 2
Dependent Claim
44 words
AN ANTI-FOULING PAINT COMPOSITION COMPRISING A PAINT WHICH IS NORMALLY SUBJECT TO FOULING BY MARINE ORGANISMS WHEN APPLIED TO SURFACES EXPOSED TO MARINE WATERS AND A COPPER AKLYN MERCAPTIDE HAVING FROM 1 TO 7 CARBON ATOMS IN AN AMOUNT SUFFICIENT TO INHIBIT SAID FOULING.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-11 | 1954-06-12 | 1954-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-11 | 1958-06-12 | 1958-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-11 | 1962-06-12 | 1962-12-12 | $7700.00 | Window Closed / Lapsed |