US3328152A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass sheet bending mold
Assignee: PPG Industries Inc
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Filing: 1961-03-10
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Granted: 1967-06-27
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Expires: 1981-03-10
Abstract
No abstract record available.
Inventors
- 👤 Vore Guy C De
- 👤 James W Kamerer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:32
CPC Classifications
C; C03; C03B; C03B23/00; C03B23/02; C03B23/023; C03B23/025; C03B23/027
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
160 words
A GLASS SHEET BENDING MOLD ADAPTED TO BEND AN ELONGATED GLASS SHEET IN A HOT ATMOSPHERE AND COMPRISING AN UPPER SHAPING SURFACE OF SKELETON CONFIGURATION CONFORMING IN ELEVATION AND OUTLINE TO THE SHAPE OF THE BEND GLASS SHEET, SAID SHAPING SURFACE ENCLOSING A RELATIVELY FLAT AREA PORTION BENT SHARPLY RELATIVE TO ANOTHER PORTION OF THE SHAPING SURFACE ABOUT AN AXIS EXTENDING OBLIQUELY OF THE LONGITUDINAL AXIS OF THE MOLD, AND A HEAT ABSORBING MEMBER LOCATED IN SPACED RELATION BELOW AND IN FACING RELATION TO SAID RELATIVELY FLAT AREA PORTION ENCLOSED BY THE MOLD, SAID HEAT ABSORBING MEMBER INCLUDING AN INBOARD EDGE WHOSE LATERAL EXTREMITIES DEFINE A LINE EXTENDING OBLIQUELY OF THE MOLD IN A DIRECTION SUBSTANTIALLY PARALLEL TO SAID OBLIQUELY EXTENDING AXIS, WHEREIN THE HEAT ABSORBING MEMBER LIES OUTSIDE SAID OBLIQUELY EXTENDING AXIS AND WHEREIN THE INBOARD EDGE IS CURVED SO THAT IT IS SPACED A GREATER DISTANCE FROM SAID AXIS INTERMEDIATE ITS LATERAL EXTREMITIES THAN AT ITS LATERAL EXTREMITIES.
Claim 2
Dependent Claim
160 words
A GLASS SHEET BENDING MOLD ADAPTED TO BEND AN ELONGATED GLASS SHEET IN A HOT ATMOSPHERE AND COMPRISING AN UPPER SHAPING SURFACE OF SKELETON CONFIGURATION CONFORMING IN ELEVATION AND OUTLINE TO THE SHAPE OF THE BEND GLASS SHEET, SAID SHAPING SURFACE ENCLOSING A RELATIVELY FLAT AREA PORTION BENT SHARPLY RELATIVE TO ANOTHER PORTION OF THE SHAPING SURFACE ABOUT AN AXIS EXTENDING OBLIQUELY OF THE LONGITUDINAL AXIS OF THE MOLD, AND A HEAT ABSORBING MEMBER LOCATED IN SPACED RELATION BELOW AND IN FACING RELATION TO SAID RELATIVELY FLAT AREA PORTION ENCLOSED BY THE MOLD, SAID HEAT ABSORBING MEMBER INCLUDING AN INBOARD EDGE WHOSE LATERAL EXTREMITIES DEFINE A LINE EXTENDING OBLIQUELY OF THE MOLD IN A DIRECTION SUBSTANTIALLY PARALLEL TO SAID OBLIQUELY EXTENDING AXIS, WHEREIN THE HEAT ABSORBING MEMBER LIES OUTSIDE SAID OBLIQUELY EXTENDING AXIS AND WHEREIN THE INBOARD EDGE IS CURVED SO THAT IT IS SPACED A GREATER DISTANCE FROM SAID AXIS INTERMEDIATE ITS LATERAL EXTREMITIES THAN AT ITS LATERAL EXTREMITIES.
References Cited (Backward Citations)
US2861396A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-26 | 1970-12-26 | 1971-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-26 | 1974-12-26 | 1975-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-26 | 1978-12-26 | 1979-06-27 | $7700.00 | Window Closed / Lapsed |