US3179731A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Support means for resistance furnace
Assignee: Individual
•
Filing: 1963-04-17
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Granted: 1965-04-20
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Expires: 1983-04-17
Abstract
No abstract record available.
Inventors
- 👤 Burns A Cash
- 👤 Richard C Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:01
CPC Classifications
C; C03; C03B; C03B5/00; C03B5/02; C03B5/033
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
211 words
A HIGH-TEMPERATURE ELECTRICAL RESISTANCE HEATED INVERTIBLE GLASS MELTING FURNACE COMPRISING A THIN WALL RESISTANCE HEATED RECEPTACLE HAVING AN OPEN TOP AND GLASS STRAND DRAWING APERTURES IN THE BOTTOM THEREOF, ELECTROCONDUCTIVE LUG MEMBERS PROJECTING IN OPPOSITE ALIGNED DIRECTIONS FROM THE OPPOSITE ENDS OF THE RECEPTACLE, ELECTROCONDUCTIVE TRUNNION MEMBERS HAVING BIFURCATED CLAMPING ENDS RECEIVING SAID LUG MEMBERS THEREIN, CLAMP MEANS FOR SECURING THE TRUNNION MEMBERS TO SAID LUG MEMBERS IN ELECTRICAL CONTACTING RELATION WITH THE TRUNNION PORTIONS THEREOF DISPOSED IN AXIAL ALIGNMENT IN SPACED RELATION TO THE OPPOSITE ENDS OF SAID RECEPTACLE, HORIZONTALLY-SPACED PARALLEL ELECTROCONDUCTIVE SUPPORTS HAVING ALIGNED TRUNNION RECEIVING OPENINGS FORMED THERETHROUGH SLIDABLY AND ROTATABLY RECEIVING THE TRUNNION PORTIONS AFORESAID THERETHROUGH, RELEASABLE CLAMPING MEANS ON SAID SUPPORTS FOR CLAMPING SAID TRUNNION PORTIONS IN SAID TRUNNION OPENINGS TO RETAIN SAID RECEPTACLE IN UPRIGHT POSITION AND PROVIDE MAXIMUM ELECTROCONDUCTIVE RELATION BETWEEN SAID SUPPORTS AND SAID TRUNNION MEMBERS, SAID CLAMPING MEANS BEING RELEASABLE TO ALLOW SAID TRUNNION MEMBERS TO ROTATE IN SAID TRUNNION RECEIVING OPENINGS FOR TILTING SAID RECEPTACLE TOWARD INVERTED DUMPING POSITION AND PERMIT AXIAL MOVEMENT BETWEEN SAID TRUNNION MEMBERS AND SAID SUPPORTS DUE TO EXPANSION OR CONTRACTION OF SAID RECEPTACLE, AND ELECTROCONDUCTIVE MEANS CONNECTED TO EACH OF SAID SUPPORTS, ADAPTED TO BE CONNECTED TO AN ELECTRICAL HEATING CIRCUIT FOR RESISTANCE HEATING SAID RECEPTACLE.
Claim 2
Dependent Claim
211 words
A HIGH-TEMPERATURE ELECTRICAL RESISTANCE HEATED INVERTIBLE GLASS MELTING FURNACE COMPRISING A THIN WALL RESISTANCE HEATED RECEPTACLE HAVING AN OPEN TOP AND GLASS STRAND DRAWING APERTURES IN THE BOTTOM THEREOF, ELECTROCONDUCTIVE LUG MEMBERS PROJECTING IN OPPOSITE ALIGNED DIRECTIONS FROM THE OPPOSITE ENDS OF THE RECEPTACLE, ELECTROCONDUCTIVE TRUNNION MEMBERS HAVING BIFURCATED CLAMPING ENDS RECEIVING SAID LUG MEMBERS THEREIN, CLAMP MEANS FOR SECURING THE TRUNNION MEMBERS TO SAID LUG MEMBERS IN ELECTRICAL CONTACTING RELATION WITH THE TRUNNION PORTIONS THEREOF DISPOSED IN AXIAL ALIGNMENT IN SPACED RELATION TO THE OPPOSITE ENDS OF SAID RECEPTACLE, HORIZONTALLY-SPACED PARALLEL ELECTROCONDUCTIVE SUPPORTS HAVING ALIGNED TRUNNION RECEIVING OPENINGS FORMED THERETHROUGH SLIDABLY AND ROTATABLY RECEIVING THE TRUNNION PORTIONS AFORESAID THERETHROUGH, RELEASABLE CLAMPING MEANS ON SAID SUPPORTS FOR CLAMPING SAID TRUNNION PORTIONS IN SAID TRUNNION OPENINGS TO RETAIN SAID RECEPTACLE IN UPRIGHT POSITION AND PROVIDE MAXIMUM ELECTROCONDUCTIVE RELATION BETWEEN SAID SUPPORTS AND SAID TRUNNION MEMBERS, SAID CLAMPING MEANS BEING RELEASABLE TO ALLOW SAID TRUNNION MEMBERS TO ROTATE IN SAID TRUNNION RECEIVING OPENINGS FOR TILTING SAID RECEPTACLE TOWARD INVERTED DUMPING POSITION AND PERMIT AXIAL MOVEMENT BETWEEN SAID TRUNNION MEMBERS AND SAID SUPPORTS DUE TO EXPANSION OR CONTRACTION OF SAID RECEPTACLE, AND ELECTROCONDUCTIVE MEANS CONNECTED TO EACH OF SAID SUPPORTS, ADAPTED TO BE CONNECTED TO AN ELECTRICAL HEATING CIRCUIT FOR RESISTANCE HEATING SAID RECEPTACLE.
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) | 1968-04-19 | 1968-10-19 | 1969-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-19 | 1972-10-19 | 1973-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-19 | 1976-10-19 | 1977-04-20 | $7700.00 | Window Closed / Lapsed |