Patent US3328504A successfully refreshed from Google Patents.
Patent US3761334A successfully refreshed from Google Patents.
US3761334A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of pretecting the hulls of marine vessels from fouling
Assignee: Individual
•
Filing: 1971-10-21
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Granted: 1973-09-25
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Expires: 1991-10-21
Abstract
Abstract THE HULL OF A MARINE VESSEL IS PROTECTED FROM FOULING BY MARINE GROWTHS BY A FOIL OF ANTI-FOULING METAL SUCH AS COPPER OR A COPPER ALLOY ADHESIVELY BONDED THROUGHOUT ITS AREA TO THE HULL BELOW THE WATER LINE. THE FOIL IS CONVENIENTLY APPLIED TO THE HULL BY PRESSURE SENSITIVE OR HEAT SENSITIVE ADHESIVE.
Inventors
- 👤 K Zondek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:50
CPC Classifications
B; B63; B63B; B63B59/00; B63B59/04; Y; Y10; Y10S; Y10S428/00; Y10S428/907; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T428/00; Y10T428/26; Y10T428/266; Y10T428/31504; Y10T428/31652; Y10T428/31663
Claims Analysis
Total Claims: 0
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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) | 1976-09-24 | 1977-03-26 | 1977-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-24 | 1981-03-26 | 1981-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-24 | 1985-03-26 | 1985-09-25 | $7700.00 | Window Closed / Lapsed |