US3304244A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of sealing fiber optic plates
Assignee: American Optical Corp
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Filing: 1963-10-30
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Granted: 1967-02-14
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Expires: 1983-10-30
Abstract
No abstract record available.
Inventors
- 👤 George A Granitsas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:28
CPC Classifications
G; G02; G02B; G02B6/00; G02B6/04; G02B6/06; G02B6/08; H; H01; H01J; H01J29/00; H01J29/86; H01J29/89; H01J29/892
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
THE METHOD OF SEALING POROSITIES IN A FIBER OPTIC PLATE WHICH COMPRISES THE STEPS OF POSITIONING ONE FACE OF SAID PLATE IN SURFACE-TO-SURFACE CONTACT WITH THE CATHODE OF AN ELECTROLYTIC CELL, PLACING A METAL SALT IN SOLUTION AGAINST THE OPPOSITE FACE OF SAID PLATE, CUASING AN ELECTRIC CURRENT TO PASS THROUGH SAID SOLUTION AND POROSITIES IN SAID PLATE TOWARD SAID CATHODE AND CAUSE RESPECTIVE METAL CATIONS OF SAID SALT TO MOVE INTO SAID POROSITIES BY ATTRACTION TO SAID CATHODE AND BECOME PRECIPITATED THEREIN WHEREBY SUCH PRECIPITATE WILL FORM A SEAL IN SAID POROSITIES.
Claim 2
Independent Claim
93 words
THE METHOD OF SEALING POROSITIES IN A FIBER OPTIC PLATE WHICH COMPRISES THE STEPS OF POSITIONING ONE FACE OF SAID PLATE IN SURFACE-TO-SURFACE CONTACT WITH THE CATHODE OF AN ELECTROLYTIC CELL, PLACING A METAL SALT IN SOLUTION AGAINST THE OPPOSITE FACE OF SAID PLATE, CUASING AN ELECTRIC CURRENT TO PASS THROUGH SAID SOLUTION AND POROSITIES IN SAID PLATE TOWARD SAID CATHODE AND CAUSE RESPECTIVE METAL CATIONS OF SAID SALT TO MOVE INTO SAID POROSITIES BY ATTRACTION TO SAID CATHODE AND BECOME PRECIPITATED THEREIN WHEREBY SUCH PRECIPITATE WILL FORM A SEAL IN SAID POROSITIES.
References Cited (Backward Citations)
DE128448C
Cited
US2217334A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-13 | 1970-08-15 | 1971-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-13 | 1974-08-15 | 1975-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-13 | 1978-08-15 | 1979-02-14 | $7700.00 | Window Closed / Lapsed |