US3426473A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antifouling covering
Assignee: Goodrich Corp
•
Filing: 1966-03-31
•
Granted: 1969-02-11
•
Expires: 1986-03-31
Abstract
No abstract record available.
Inventors
- 👤 Nathan F Cardarelli
- 👤 Samuel J Caprette Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:56
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/16; C09D5/1693; B; B32; B32B; B32B27/00; C08; C08K; C08K5/00; C08K5/56; C08K5/57; Y; Y10; Y10S; Y10S428/00; Y10S428/905; Y10S428/907
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
A COVERING RESISTANT TO MARINE FOULING ORGANISMS COMPRISING A RESERVIOR LAYER OF MATERIAL SATURATED WITH A TOXIC AGENT FOR POISONING OR REPELLING MARINE FOULING ORGANISMS SUCH AS BARNACLES AND THE LIKE, AND A TOXIC TRANSFER CONTROL LAYER OF ELASTOMERIC MATERIAL IN WHICH SAID TOXIC AGENT IS SOLUBLE BETWEEN SAID RESERVOIR LAYER AND THE SURFACE OF SAID COVERING ADAPTED FOR EXPOSURE TO SEA WATER CONTAINING SAID FOULING ORGANISMS, SAID TRANSFER CONTROL LAYER HAVING A SOLUBILITY RATE SUCH THAT THE TRANS FER LAYER IS CAPABLE OF DISSOLVING SAID TOXIC AGENT AT A RATE WHICH IS APPRECIABLY SLOWER THAN THE RATE AT WHICH SAID TOXIC IS TRANSFERRED TO SAID CONTROL LAYER FROM SAID RESERVOIR LAYER.
Claim 2
Dependent Claim
112 words
A COVERING RESISTANT TO MARINE FOULING ORGANISMS COMPRISING A RESERVIOR LAYER OF MATERIAL SATURATED WITH A TOXIC AGENT FOR POISONING OR REPELLING MARINE FOULING ORGANISMS SUCH AS BARNACLES AND THE LIKE, AND A TOXIC TRANSFER CONTROL LAYER OF ELASTOMERIC MATERIAL IN WHICH SAID TOXIC AGENT IS SOLUBLE BETWEEN SAID RESERVOIR LAYER AND THE SURFACE OF SAID COVERING ADAPTED FOR EXPOSURE TO SEA WATER CONTAINING SAID FOULING ORGANISMS, SAID TRANSFER CONTROL LAYER HAVING A SOLUBILITY RATE SUCH THAT THE TRANS FER LAYER IS CAPABLE OF DISSOLVING SAID TOXIC AGENT AT A RATE WHICH IS APPRECIABLY SLOWER THAN THE RATE AT WHICH SAID TOXIC IS TRANSFERRED TO SAID CONTROL LAYER FROM SAID RESERVOIR LAYER.
References Cited (Backward Citations)
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US2023270A
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US2194649A
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Cited
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Cited
US2613474A
Cited
US3295246A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-11 | 1972-08-12 | 1973-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-11 | 1976-08-12 | 1977-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-11 | 1980-08-12 | 1981-02-11 | $7700.00 | Window Closed / Lapsed |