US3329494A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for press bending glass sheets
Assignee: Libbey Owens Ford Glass Co
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Filing: 1963-10-14
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Granted: 1967-07-04
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Expires: 1983-10-14
Abstract
No abstract record available.
Inventors
- 👤 Frank J Carson
- 👤 Jr George F Ritter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:26
CPC Classifications
C; C03; C03B; C03B23/00; C03B23/02; C03B23/023; C03B23/03; C03B23/0302
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
114 words
IN APPARATUS FOR BENDING GLASS SHEETS, THE COMBINATION OF, A CONVEYOR FOR SUPPORTING AND CARRYING THE GLASS SHEET ALONG A PREDETERMINED SUBSTANTIALLY HORIZONTAL PATH, AN UPPER MOLD PART DISPOSED ABOVE SAID PREDTERMINED PATH AND HAVING A DOWNWARDLY DIRECTED SHAPING SURFACE FORMED THEREON, A LOWER MOLD PART HAVING AN OPPOSED COMPLEMENTAL SHAPING SURFACE FORMED THEREON, A CARRIAGE DISPOSED BELOW SAID PATH AND SUPPORTING SAID LOWER MOLD PART FOR MOVEMENT RELATIVE TO SAID PATH TOWARD AND AWAY FROM SAID UPPER MOLD PART, MEANS MOUNTING SAID LOWER MOLD PART ON SAID CARRIAGE, SAID MOUNTING MEANS COMPRISING MEANS PIVOTING SAID LOWER MOLD PART TO ROCK ABOUT A FIXED AXIS BETWEEN AN INCLINED POSITION AND A SUBSTANTIALLY HORIZONTAL POSITION.
Claim 2
Dependent Claim
114 words
IN APPARATUS FOR BENDING GLASS SHEETS, THE COMBINATION OF, A CONVEYOR FOR SUPPORTING AND CARRYING THE GLASS SHEET ALONG A PREDETERMINED SUBSTANTIALLY HORIZONTAL PATH, AN UPPER MOLD PART DISPOSED ABOVE SAID PREDTERMINED PATH AND HAVING A DOWNWARDLY DIRECTED SHAPING SURFACE FORMED THEREON, A LOWER MOLD PART HAVING AN OPPOSED COMPLEMENTAL SHAPING SURFACE FORMED THEREON, A CARRIAGE DISPOSED BELOW SAID PATH AND SUPPORTING SAID LOWER MOLD PART FOR MOVEMENT RELATIVE TO SAID PATH TOWARD AND AWAY FROM SAID UPPER MOLD PART, MEANS MOUNTING SAID LOWER MOLD PART ON SAID CARRIAGE, SAID MOUNTING MEANS COMPRISING MEANS PIVOTING SAID LOWER MOLD PART TO ROCK ABOUT A FIXED AXIS BETWEEN AN INCLINED POSITION AND A SUBSTANTIALLY HORIZONTAL POSITION.
Claim 3
Dependent Claim
97 words
IN APPARATUS FOR BENDING GLASS SHEETS, THE COMBINATION OF, A SHAPING MOLD HAVING FIRST AND SECOND MOLD PARTS RELATIVELY MOVABLE TOWARD AND AWAY FROM EACH OTHER, OPPOSED COMPLEMENTAL RIGID SHAPING SURFACES FORMED ON SAID FIRST AND SECOND MOLD PARTS, A COVERING MATERIAL EXTENDING ENTIRELY ACROSS AND BEING SUBSTANTIALLY COEXTENSIVE WITH AT LEAST ONE OF SAID SHAPING SURFACES FROM A SUBSTANTIALLY CONTINUOUS SUPPLY DISPOSED AT ONE SIDE OF SAID SHAPING MOLD, AND MEANS ON THE OPPOSITE SIDE FOR SELECTIVELY DRAWING SAID MATERIAL FROM SAID SUPPLY AND ACROSS SAID SHAPING SURFACES TO RENEW THE SURFACE CONTACTING OF THE SHEET.
Claim 4
Dependent Claim
97 words
IN APPARATUS FOR BENDING GLASS SHEETS, THE COMBINATION OF, A SHAPING MOLD HAVING FIRST AND SECOND MOLD PARTS RELATIVELY MOVABLE TOWARD AND AWAY FROM EACH OTHER, OPPOSED COMPLEMENTAL RIGID SHAPING SURFACES FORMED ON SAID FIRST AND SECOND MOLD PARTS, A COVERING MATERIAL EXTENDING ENTIRELY ACROSS AND BEING SUBSTANTIALLY COEXTENSIVE WITH AT LEAST ONE OF SAID SHAPING SURFACES FROM A SUBSTANTIALLY CONTINUOUS SUPPLY DISPOSED AT ONE SIDE OF SAID SHAPING MOLD, AND MEANS ON THE OPPOSITE SIDE FOR SELECTIVELY DRAWING SAID MATERIAL FROM SAID SUPPLY AND ACROSS SAID SHAPING SURFACES TO RENEW THE SURFACE CONTACTING OF THE SHEET.
References Cited (Backward Citations)
US3077753A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-03 | 1971-01-02 | 1971-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-03 | 1975-01-02 | 1975-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-03 | 1979-01-02 | 1979-07-04 | $7700.00 | Window Closed / Lapsed |