US3294516A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for press bending glass sheets
Assignee: Libbey Owens Ford Glass Co
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Filing: 1964-09-02
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Granted: 1966-12-27
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Expires: 1984-09-02
Abstract
No abstract record available.
Inventors
- 👤 Frank J Carson
- 👤 Jr Herbert A Leflet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:01
CPC Classifications
C; C03; C03B; C03B23/00; C03B23/02; C03B23/023; C03B23/025; C03B23/0256; C03B23/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
APPARATUS FOR BENDING GLASS SHEET ABOUT BOTH MAJOR AXEX THEREOF, COMPRISING AN OUTLINE TYPE BENDING MOLD INCLUDING A SUBSTANTIALLY CONTINUOUS PERIPHERAL SHAPING RAIL HAVING A SHAPING SURFACE ADAPTED TO FORM AN ANTICLASTIC CURVATURE IN A GLASS SHEET BENT INTO CONFORMITY THEREWITH, SAID SHAPING RAIL INCLUDING A PAIR OF OPPOSED, SPACED, LONGITUDINALLY EXTENDING SIDE MEMBERS AND A PAIR OF TRANSVERSELY EXTENDING END MEMBERS CONNECTING THE ADJACENT ENDS SAID SIDE MEMBERS, THE SHAPING SURFACE PORTIONS OF SAID SIDE MEMBERS BEING CONVEXLY CURVED AS VIEW IN ELEVATION TO CREATE CORRESPONDING CONVEX CURVATURE IN SAID SHEET IN THE LONGITUDINALLY DIMENSION THROUGHOUT THE ENTIRE LENGTH THEREOF AND THE SHAPING SURFACE PORTIONS OF SAID END MEMBERS BEING CONCAVELY CURVED AS VIEW IN ELEVATION TO CREATE A CORRESPONDING CONCAVE CURVATURE IN THE TRANSVERSE DIMESION OF THE SHEET THROUGHOUT THE ENTIRE LENGTH OF SAID SHEET, MEANS SUPPORTING SAID MOLD FOR MOVEMENT ALONG A PREDETERMINED PATH, A FURNACE DISPOSED ALONG SAID PATH OPERABLE
Claim 2
Dependent Claim
154 words
APPARATUS FOR BENDING GLASS SHEET ABOUT BOTH MAJOR AXEX THEREOF, COMPRISING AN OUTLINE TYPE BENDING MOLD INCLUDING A SUBSTANTIALLY CONTINUOUS PERIPHERAL SHAPING RAIL HAVING A SHAPING SURFACE ADAPTED TO FORM AN ANTICLASTIC CURVATURE IN A GLASS SHEET BENT INTO CONFORMITY THEREWITH, SAID SHAPING RAIL INCLUDING A PAIR OF OPPOSED, SPACED, LONGITUDINALLY EXTENDING SIDE MEMBERS AND A PAIR OF TRANSVERSELY EXTENDING END MEMBERS CONNECTING THE ADJACENT ENDS SAID SIDE MEMBERS, THE SHAPING SURFACE PORTIONS OF SAID SIDE MEMBERS BEING CONVEXLY CURVED AS VIEW IN ELEVATION TO CREATE CORRESPONDING CONVEX CURVATURE IN SAID SHEET IN THE LONGITUDINALLY DIMENSION THROUGHOUT THE ENTIRE LENGTH THEREOF AND THE SHAPING SURFACE PORTIONS OF SAID END MEMBERS BEING CONCAVELY CURVED AS VIEW IN ELEVATION TO CREATE A CORRESPONDING CONCAVE CURVATURE IN THE TRANSVERSE DIMESION OF THE SHEET THROUGHOUT THE ENTIRE LENGTH OF SAID SHEET, MEANS SUPPORTING SAID MOLD FOR MOVEMENT ALONG A PREDETERMINED PATH, A FURNACE DISPOSED ALONG SAID PATH OPERABLE
References Cited (Backward Citations)
US1889881A
Cited
US2131873A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |