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US3264082A Expired / Lapsed US ⏱️ 0.0 years remaining

Glass sheet bending mold with heat absorber

Assignee: PPG Industries Inc
•
Filing: 1965-04-22
•
Granted: 1966-08-02
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Expires: 1985-04-22
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Abstract

No abstract record available.

Inventors

  • 👤 James S Golightly

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 10:36
CPC Classifications
C; C03; C03B; C03B23/00; C03B23/02; C03B23/023; C03B23/025; C03B23/027

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 214 words
IN A GLASS BENDING MOLD ADAPTED TO BEND A GLASS SHEET IN A HOT ATMOSPHERE TO A COMPLEX SHAPE INCLUDING A TRANSVERSE BEND ABOUT AN AXIS EXTENDING LONGITUDINALLY OF SAID SHEET AND COMPRISING AN OUTLINE SHAPING SURFACE INTO CONFORMITY WITH WHICH THE GLASS SHEET IS TO BE BENT, SAID SHAPING SURFACE HAVING A GIVEN LENGTH AND WIDTH, A HEAT ABSORBING MEMBER HAVING A DIMENSION IN A DIRECTION TRANSVERSE OF SAID OUTLINE LESS THAN THE WIDTH OF SAID OUTLINE SHAPING SURFACE SPACED FROM SAID SHAPING SURFACE AND POSITIONED SO AS TO FACE A SURFACE OF THE GLASS SHEET WHEN SUPPORTED ON SAID SHAPING SURFACE, SID HEAT ABSORBING MEMBER COMPRISING A RELATIVELY MASSIVE PORTION COMPOSED OF AIR IMPERVIOUS MATERIAL ADJACENT A PORTION OF SAID OUTLINE SHAPING SURFACE AND A RELATIVELY LIGHT PORTION COMPOSED OF A PERFORATED MATERIAL LOCATED BEYOND AND IMMEDIATELY ADJACENT TO A PORTION OF THE PERIPHERY OF SAID RELATIVELY MASSIVE PORTION SPACED FROM SAID PORTION OF SAID OUTLINE SHAPING SURFACE, SAID RELATIVELY LIGHT PORTION HAVING A SMALLER EFFECTIVE SURFACE AREA THAN THAT OF A SOLID MEMBER OF THE SAME AREA AND THICKNESS BY VIRTUE OF ITS OPEN MESH CONFIGURATION, SAID OUTLYING SHAPING SURFACE COMPRISING A PAIR OF ELONGATED SHAPING SIDE RAILS, AND SAID HEAT ABSORBING MASS BEING ADJACENT A SIDE RAIL OF THE MOLD.
Claim 2
Dependent Claim 214 words
IN A GLASS BENDING MOLD ADAPTED TO BEND A GLASS SHEET IN A HOT ATMOSPHERE TO A COMPLEX SHAPE INCLUDING A TRANSVERSE BEND ABOUT AN AXIS EXTENDING LONGITUDINALLY OF SAID SHEET AND COMPRISING AN OUTLINE SHAPING SURFACE INTO CONFORMITY WITH WHICH THE GLASS SHEET IS TO BE BENT, SAID SHAPING SURFACE HAVING A GIVEN LENGTH AND WIDTH, A HEAT ABSORBING MEMBER HAVING A DIMENSION IN A DIRECTION TRANSVERSE OF SAID OUTLINE LESS THAN THE WIDTH OF SAID OUTLINE SHAPING SURFACE SPACED FROM SAID SHAPING SURFACE AND POSITIONED SO AS TO FACE A SURFACE OF THE GLASS SHEET WHEN SUPPORTED ON SAID SHAPING SURFACE, SID HEAT ABSORBING MEMBER COMPRISING A RELATIVELY MASSIVE PORTION COMPOSED OF AIR IMPERVIOUS MATERIAL ADJACENT A PORTION OF SAID OUTLINE SHAPING SURFACE AND A RELATIVELY LIGHT PORTION COMPOSED OF A PERFORATED MATERIAL LOCATED BEYOND AND IMMEDIATELY ADJACENT TO A PORTION OF THE PERIPHERY OF SAID RELATIVELY MASSIVE PORTION SPACED FROM SAID PORTION OF SAID OUTLINE SHAPING SURFACE, SAID RELATIVELY LIGHT PORTION HAVING A SMALLER EFFECTIVE SURFACE AREA THAN THAT OF A SOLID MEMBER OF THE SAME AREA AND THICKNESS BY VIRTUE OF ITS OPEN MESH CONFIGURATION, SAID OUTLYING SHAPING SURFACE COMPRISING A PAIR OF ELONGATED SHAPING SIDE RAILS, AND SAID HEAT ABSORBING MASS BEING ADJACENT A SIDE RAIL OF THE MOLD.

References Cited (Backward Citations)

US2897632A Cited
US3086376A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-08-01 1970-01-31 1970-08-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-08-01 1974-01-31 1974-08-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-08-01 1978-01-31 1978-08-02 $7700.00 Window Closed / Lapsed

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