US3421990A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sacrificial anode
Assignee: NANCY ANN PENIX
•
Filing: 1966-04-28
•
Granted: 1969-01-14
•
Expires: 1986-04-28
Abstract
No abstract record available.
Inventors
- 👤 William B Penix
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:32
CPC Classifications
C; C23; C23F; C23F13/00; C23F13/02; C23F13/06; C23F13/08; C23F13/18; C23F2213/00; C23F2213/30; C23F2213/31
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
A SACRIFICAL ANODE FOR THE GALVANIC PROTECTION OF CATHODIC METAL OBJECTS IN A FLUID ELECTROLYTE COMPRISING: A REACTIVE MASS; A SUBSTANTIALLY CONTINUOUS SHEATH OF RELATIVELY NONREACTIVE MATERIAL SURROUNDING SAID REACTIVE MASS AND IN FLUID-TIGHT RELATIONSHIP WITH THE OUTER SURFACE THEREOF; AN OPENING IN SAID SHEATH THROUGH WHICH SAID MASS IS EXPOSED TO SAID FLUID ELECTROLYTE; A STRAP OF RELATIVELY NON-REACTIVE MATERIAL LYING ACROSS SAID OPENING IN FLUID-TIGHT RELATIONSHIP WITH THE OUTER SURFACE OF SAID MASS AND CONTIGUOUS WITH THE PORTIONS OF SAID SHEATH LYING ADJACENT OPPOSITE SIDES OF SIDE OPENING; MOUNTING MEANS POSITIONED ON SAID STRAP FOR DETACHABLY MOUNTING SAID ANODE ON SAID CATHODIC METAL OBJECTS AND IN ELECTRICAL CONTACT THEREWITH; AND CONNECTING MEANS CONNECTING SAID MOUNTING MEANS TO THE PORTION OF SAID REACTIVE MASS LYING UNDER SAID STRAP.
Claim 2
Dependent Claim
129 words
A SACRIFICAL ANODE FOR THE GALVANIC PROTECTION OF CATHODIC METAL OBJECTS IN A FLUID ELECTROLYTE COMPRISING: A REACTIVE MASS; A SUBSTANTIALLY CONTINUOUS SHEATH OF RELATIVELY NONREACTIVE MATERIAL SURROUNDING SAID REACTIVE MASS AND IN FLUID-TIGHT RELATIONSHIP WITH THE OUTER SURFACE THEREOF; AN OPENING IN SAID SHEATH THROUGH WHICH SAID MASS IS EXPOSED TO SAID FLUID ELECTROLYTE; A STRAP OF RELATIVELY NON-REACTIVE MATERIAL LYING ACROSS SAID OPENING IN FLUID-TIGHT RELATIONSHIP WITH THE OUTER SURFACE OF SAID MASS AND CONTIGUOUS WITH THE PORTIONS OF SAID SHEATH LYING ADJACENT OPPOSITE SIDES OF SIDE OPENING; MOUNTING MEANS POSITIONED ON SAID STRAP FOR DETACHABLY MOUNTING SAID ANODE ON SAID CATHODIC METAL OBJECTS AND IN ELECTRICAL CONTACT THEREWITH; AND CONNECTING MEANS CONNECTING SAID MOUNTING MEANS TO THE PORTION OF SAID REACTIVE MASS LYING UNDER SAID STRAP.
References Cited (Backward Citations)
US2721172A
Cited
FR1081845A
Cited
US2856342A
Cited
US2882213A
Cited
US3012958A
Cited
US3001924A
Cited
US3354063A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-14 | 1972-07-15 | 1973-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-14 | 1976-07-15 | 1977-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-14 | 1980-07-15 | 1981-01-14 | $7700.00 | Window Closed / Lapsed |