US2738283A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Copper bearing antifouling shipbottom paints
Assignee: Copper Res
•
Filing: 1952-08-20
•
Granted: 1956-03-13
•
Expires: 1972-08-20
Abstract
No abstract record available.
Inventors
- 👤 William H Furness
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:20
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
39 words
A METHOD FOR PREVENTING FOULING OF SHIPBOTTOMS WHICH COMPRISES THE STEP OF APPLYING TO A SHIPBOTTOM A WATER-RESISTANT COATING CONTAINING AT LEAST ABOUT ONE POUND PER GALLON OF A MATERIAL TOXIC TO FOULING ORGANISMS CONSISTING ESSENTIALLY OF CUPRIC HYDROXIDE.
Claim 2
Independent Claim
39 words
A METHOD FOR PREVENTING FOULING OF SHIPBOTTOMS WHICH COMPRISES THE STEP OF APPLYING TO A SHIPBOTTOM A WATER-RESISTANT COATING CONTAINING AT LEAST ABOUT ONE POUND PER GALLON OF A MATERIAL TOXIC TO FOULING ORGANISMS CONSISTING ESSENTIALLY OF CUPRIC HYDROXIDE.
References Cited (Backward Citations)
US824974A
Cited
US1421914A
Cited
US1598982A
Cited
US2438511A
Cited
US2434291A
Cited
US2489228A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-03-13 | 1959-09-12 | 1960-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-13 | 1963-09-12 | 1964-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-13 | 1967-09-12 | 1968-03-13 | $7700.00 | Window Closed / Lapsed |