US3328151A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Press bending mold with heat reflective surface
Assignee: PPG Industries Inc
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Filing: 1964-01-30
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Granted: 1967-06-27
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Expires: 1984-01-30
Abstract
No abstract record available.
Inventors
- 👤 Ronald E Richardson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:32
CPC Classifications
C; C03; C03B; C03B40/00; C03B40/005; C03B23/00; C03B23/02; C03B23/023; C03B23/03; C03B23/0302
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
A MOLDING MEMBER FOR USE IN THE PRESS BENDING OF GLASS SHEETS COMPRISING A WOODEN BLOCK HAVING A SHAPING SURFACE CONFORMING TO THAT DESIRED FOR A GLASS SHEET TO BE PRESS BENT, AN OUTER GLASS-CONTACTING COVERING LAYER OF MINERAL FIBERS OVERLYING SAID SHAPING SURFACE, AND SANDWICHED BETWEEN SAID SHAPING SURFACE OF SAID BLOCK AND SAID COVERING LAYER, AT LEAST ONE LAYER OF HEAT-REFLECTIVE METALLIC FOIL AND AT LEAST ONE LAYER OF A THERMALLY INSULATING HEATRESISTANT FIBROUS MATERIAL.
Claim 2
Dependent Claim
77 words
A MOLDING MEMBER FOR USE IN THE PRESS BENDING OF GLASS SHEETS COMPRISING A WOODEN BLOCK HAVING A SHAPING SURFACE CONFORMING TO THAT DESIRED FOR A GLASS SHEET TO BE PRESS BENT, AN OUTER GLASS-CONTACTING COVERING LAYER OF MINERAL FIBERS OVERLYING SAID SHAPING SURFACE, AND SANDWICHED BETWEEN SAID SHAPING SURFACE OF SAID BLOCK AND SAID COVERING LAYER, AT LEAST ONE LAYER OF HEAT-REFLECTIVE METALLIC FOIL AND AT LEAST ONE LAYER OF A THERMALLY INSULATING HEATRESISTANT FIBROUS MATERIAL.
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) | 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 |