US3702778A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ship's hull coated with antifouling silicone rubber
Assignee: Battelle Memorial Institute Inc
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Filing: 1970-03-23
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Granted: 1972-11-14
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Expires: 1990-03-23
Abstract
Abstract SURFACES OF ARTICLES, WHOSE UTILITY INVOLVES EXPOSURE OF THE SURFACE TO AN AQUEOUS MARINE-FOULING ENVIROMENT, ARE PROTECTED FROM MARINE FOULING THEREFORE BY A CURD SILCONE RUBBER OVERLYING AND EXCLUDING THE AQUEOUS MARINE-FOULING ENVIRONMENT FROM CONTACTING THE SURFACE.
Inventors
- 👤 William J Mueller
- 👤 Louis J Nowacki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:14
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/16; C09D5/1656; C09D5/1662; C09D5/1675; B; B63; B63B; B63B59/00; B63B59/04; Y; Y02; Y02T; Y02T70/00; Y02T70/10; Y10; Y10S; Y10S428/00; Y10S428/907; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31652; Y10T428/31663; Y10T428/31678; Y10T428/31714
Claims Analysis
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-11-14 | 1976-05-15 | 1976-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-11-14 | 1980-05-15 | 1980-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-11-14 | 1984-05-15 | 1984-11-14 | $7700.00 | Window Closed / Lapsed |