Patent US2817634A successfully refreshed from Google Patents.
US2817634A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for preventing corrosion
Assignee: Texaco Inc
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Filing: 1953-09-22
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Granted: 1957-12-24
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Expires: 1973-09-22
Abstract
No abstract record available.
Inventors
- 👤 Richard H Mccall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:44
CPC Classifications
C; C23; C23F; C23F13/00; C23F13/02; C23F13/06; C23F2213/00; C23F2213/20; C23F2213/22; C23F2213/30; C23F2213/31; E; E02; E02B; E02B17/00; E02B17/0017; E02B17/0026
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
172 words
IN COMBINATION,A METAL MEMBER HAVING A PART WHICH IS NORMALLY WET ONLY INTERMITENTLY BY ELECTROLYTE FROM A FIRST BODY OF ELECTROLYTE, A LAYER OF BIBULOUS MASTERIAL IN CONTACT WITH THE EXTERNAL SURFACE OF SAID PART FOR KEEPING A SECOND BODY OF SUCH ELECTROLYTE IN CONTACT THEREWITH; MEANS FOR IMPRESSING A PROTECTIVE ELECTRICAL CURRENT ON SAID MEMBER; A JACKET FITTING AROUND SAID MEMBER AND LAYER IN ANNULARLY SPACED RELATION THERETO, AND HAVEING TOP AND BOTTOM EDGE ENGAGING SAID MEMBER; PASSAGE MEANS FOR THE FREE FLOW OF ELECTROYTE INTO THE ANNULAR SPACE WITHIN SAID JACKET; AND AT LEAST ONE ELECTROLYTE RETAINING VESSEL SURROUNDING SAID PART IN THE ANNULAR SPACE BETWEEN SAID LAYER AND SAID JACKET, SAID VESSEL COMPRISING AN ELECTROLYTE IMPREVIOUS ANNULAR COLLER HAVING UPPER AND LOWER EDGES, SAID UPPER EDGES BEING IN ANNULARLY SPACED BETWEEN TO SAID LAYER AND SAID PART, SAID LOWER EDGES SURROUNDING SAID LAYER IN TIGHT FITTING CONTACT THEREWITH, SAID VASSEL AND SAID LAYER FORMING AS ANNULAR TROUGH FOR MAINTAINING A POOL OF ELECTROLYTE IN DIRECT CONTACT WITH SAID LAYER.
Claim 2
Dependent Claim
259 words
A PROTECTIVE JACKET ADAPTED TO BE SECURED AROUND AN ELONGATED STRUCTURAL METAL MEMBER COMPRISING AN ELECTROLYTE, IMPERIVIOUS OUTER SHEET OF FLEXIBLE RESILIENT MATERIAL HAVING OPPOSITE SIDE EDGES; CLOSURE MEANS FOR JOINING SAID OPPOSITE SIDE EDGES WHEN SAID JACKET IS SECURED AROUND SAID METAL MEMBER; AN INNER SHEET OF BIBULOUS MATERIAL CARRIED BY SAID OUTER SHEET,SAID INNER SHEET BEING IN COEXTENSIVE PARALLEL SPACED RELATIONSHIP TO SAID OUTER SHEET AND ADAPTED TO BE PLACED IN DIRECT CONTACT WITH SAID METAL MEMBER FOR THE ABSORPTION OF ELECTROLYTE WHEN SAID JACKET IS SECURED THEREAROUND; A PLURALITY OF INDEPENDENT INFLATABLE ELONGATED COMPARTMENTS FOR CUSHIONING SAID METAL MEMBER BEING CARRIED BY THE INTERIOR SURFCE OF SAID OUTER SHEET AND POSITIONED PARALLED AT ONE ANOTHER AND EXTENDING TRANSVERSLY OF SAID OUTER SHEET, SAID COMPARTMENTS BEING LOCATED BETWEEN SAID OUTER SHEET AND SAID INNER SHEET; CONDUIT MEANS FOR THE FLOW OF BUFFERING FLUID INTO SAID COMPARMENTS; A PAIR OF COLLERS FORMING OPPOSITE END EGDES OF SAID OUTER SHEET; FASTENING MEANS FOR JOINING THE OPPOSITE SIDE EGDES OF SAID COLLERS WHEN SAID JACKET SURROUNDS SAID METAL MEMBER; PASSAGE MEANS LONGITUDINALLY EXTENDING THROUGH SAID COLLARS FOR THE FREE FLOW OF ELECTROLYTE INTO THE ANNULAR SPACE FORMED WHEN SAID JACKET IS SECURED AROUND SAID METAL MEMBER, SAID ANNULAR SPACE DIRECTLY BORDERED BY THE INTERIOR SURFACE OF SAID OUTER LAYER AND THE EXTERIOR SURFACE OF SAID COMPARTMENTS AND SAID INNER LAYER, AND AUTOMATIC VALVE MEANS CONTROLLING SAID PASSAGE MEANS TO PERMIT THE FLOW OF ELECTROLYTE INTO SAID ANNULAR SPACE AND TO PREVENT THE FLOW OF ELECTROLYTE OUT OF SAID ANNULAR SPACE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-23 | 1961-06-24 | 1961-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-23 | 1965-06-24 | 1965-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-23 | 1969-06-24 | 1969-12-24 | $7700.00 | Window Closed / Lapsed |