Patent US3169105A successfully refreshed from Google Patents.
US3169105A
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Corrosion-erosion-cavitation protection for marine propellers
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1962-03-09
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Granted: 1965-02-09
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Expires: 1982-03-09
Abstract
No abstract record available.
Inventors
- 👤 Herman S Preiser
- 👤 Frank E Cook
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:17
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/22; B; B63; B63H; B63H1/00; B63H1/02; B63H1/12; B63H1/14; B63H1/18; C; C23; C23F; C23F13/00; C23F13/02; C23F13/06; C23F13/08; C23F13/10; C23F13/18; C23F13/20; F16C33/26; C23F2213/00; C23F2213/30; C23F2213/31; F16C2326/00; F16C2326/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
AN UNDERWATER ANODE MOUNTING FOR A SHIPS PROPELLER COMPRISING A HOLLOW TRUNCATED CONICAL METALLIC CAP ADAPTED FOR ATTACHMENT TO THE PROPELLER HUB, A HOLLOW CONICAL CAP ATTACHED TO THE SAID METALLIC CAP AND FORMING A STREAMLINED CONTINUATION THEREOF, SAID CONICAL CAP BEING FORMED OF A DIELECTRIC CHLORINE RESISTANT MATERIAL, AND AN ELECTROCHEMICALLY INERT ANODE MOUNTED ON AN EXTERIOR SURFACE OF THE CONICAL CAP AND FORMED TO THE CONTOUR OF SAID CONICAL CAP.
Claim 2
Dependent Claim
72 words
AN UNDERWATER ANODE MOUNTING FOR A SHIPS PROPELLER COMPRISING A HOLLOW TRUNCATED CONICAL METALLIC CAP ADAPTED FOR ATTACHMENT TO THE PROPELLER HUB, A HOLLOW CONICAL CAP ATTACHED TO THE SAID METALLIC CAP AND FORMING A STREAMLINED CONTINUATION THEREOF, SAID CONICAL CAP BEING FORMED OF A DIELECTRIC CHLORINE RESISTANT MATERIAL, AND AN ELECTROCHEMICALLY INERT ANODE MOUNTED ON AN EXTERIOR SURFACE OF THE CONICAL CAP AND FORMED TO THE CONTOUR OF SAID CONICAL CAP.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-02-09 | 1968-08-10 | 1969-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-09 | 1972-08-10 | 1973-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-09 | 1976-08-10 | 1977-02-09 | $7700.00 | Window Closed / Lapsed |