US2692836A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of increasing the electrical conductivity of tin oxide films
Assignee: Libbey Owens Ford Glass Co
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Filing: 1951-06-14
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Granted: 1954-10-26
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Expires: 1971-06-14
Abstract
No abstract record available.
Inventors
- 👤 James W Mcauley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:21
CPC Classifications
C; C03; C03C; C03C17/00; C03C17/22; C03C17/23; C03C17/25; C03C17/253; C03C2217/00; C03C2217/20; C03C2217/21; C03C2217/211; C03C2217/24; C03C2217/243; C03C2218/00; C03C2218/10; C03C2218/11; C03C2218/112
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
IN A METHOD OF PRODUCING TRANSPARENT ELECTRICALLY CONDUCTING FILMS CONSISTING SUBSTANTIALLY OF TIN OXIDE BY APPLYING A FILMING MATERIAL IN FLUID FORM, AND WHICH COMPRISES AN ELECTRICALLY CONDUCTING FILM FORMING COMPOUND OF TIN, TO A HOT VITREOUS SURFACE HEATED TO SUBSTANTIALLY ITS POINT OF SOFTENING; THE STEP OF INCREASING THE ELECTRICAL CONDUCTIVITY OF SUCH FILMS WHICH COMPRISES ADDING TO SAID FILMING MATERIAL, BY PUTTING INTO SOLUTION THEREWITH, AN AMOUNT OF A COMPOUND OF AN ELEMENT SELECTED FROM THE GROUP CONSISTING OF TELLURIUM AND TUNGSTEN TO YIELD AN AMOUNT OF SAID ELEMENT EQUAL TO NOT LESS THAN APPROXIMATELY .0001% AND, IN THE CASE OF TELLURIUM, NOT MORE THAN APPROXIMATELY .4% AND, IN
Claim 2
Dependent Claim
111 words
IN A METHOD OF PRODUCING TRANSPARENT ELECTRICALLY CONDUCTING FILMS CONSISTING SUBSTANTIALLY OF TIN OXIDE BY APPLYING A FILMING MATERIAL IN FLUID FORM, AND WHICH COMPRISES AN ELECTRICALLY CONDUCTING FILM FORMING COMPOUND OF TIN, TO A HOT VITREOUS SURFACE HEATED TO SUBSTANTIALLY ITS POINT OF SOFTENING; THE STEP OF INCREASING THE ELECTRICAL CONDUCTIVITY OF SUCH FILMS WHICH COMPRISES ADDING TO SAID FILMING MATERIAL, BY PUTTING INTO SOLUTION THEREWITH, AN AMOUNT OF A COMPOUND OF AN ELEMENT SELECTED FROM THE GROUP CONSISTING OF TELLURIUM AND TUNGSTEN TO YIELD AN AMOUNT OF SAID ELEMENT EQUAL TO NOT LESS THAN APPROXIMATELY .0001% AND, IN THE CASE OF TELLURIUM, NOT MORE THAN APPROXIMATELY .4% AND, IN
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) | 1957-10-25 | 1958-04-26 | 1958-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-10-25 | 1962-04-26 | 1962-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-10-25 | 1966-04-26 | 1966-10-26 | $7700.00 | Window Closed / Lapsed |