Patent US3123459A successfully refreshed from Google Patents.
US3123459A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carl hens
Assignee: —
•
Filing: —
•
Granted: 1964-03-03
•
Expires: 1981-03-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:00
CPC Classifications
B; B21; B21C; B21C27/00; C; C03; C03B; C03B23/00; C03B23/02; C03B23/023; C03B23/03; C03B23/031
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
64 words
A METHOD OF BENDING A VERTICALLY SUSPENDED HOT SHEET OF GLASS WHICH HAS BEEN HEATED TO BENDING TEMPERATURE, TO EFFECT A DOUBLE CURVATURE IN THE SHEET, WHICH COMPRISES APPLYING THE PRESSURES OF BENDING OVER SUBSTANTIALLY ANNULAR MARGINAL AREAS ONLY OF THE GLASS, AND SUBSTANTIALLY SIMULTANEOUSLY APPLYING TO ONE FACE ONLY OF THE INNER AREA OF THE SHEET A RESILIENT FORMER HAVING THE DESIRED CURVATURE.
Claim 2
Independent Claim
64 words
A METHOD OF BENDING A VERTICALLY SUSPENDED HOT SHEET OF GLASS WHICH HAS BEEN HEATED TO BENDING TEMPERATURE, TO EFFECT A DOUBLE CURVATURE IN THE SHEET, WHICH COMPRISES APPLYING THE PRESSURES OF BENDING OVER SUBSTANTIALLY ANNULAR MARGINAL AREAS ONLY OF THE GLASS, AND SUBSTANTIALLY SIMULTANEOUSLY APPLYING TO ONE FACE ONLY OF THE INNER AREA OF THE SHEET A RESILIENT FORMER HAVING THE DESIRED CURVATURE.
Claim 3
Dependent Claim
61 words
GLASS BENDING APPARATUS CONSISTING ESSENTIALLY, IN ITS GLASS ENGAGING PARTS, OF ANNULAR FRAMES HAVING THE CURVATURE DESIRED CONFORMING SHAPES APPROXIMATING THE OUTLINE OF THE BENT OBJECT, AND RESILENT PAD MEANS TO ENGAGE ONE SIDE OF THE GLASS WITHIN THE FRAMES DURING THE SHAPING OF THE GLASS BY THE FRAMES, AND MEANS TO BRING THE FRAMES TOGETHER ON A SUPENDED GLASS OBJECT.
Claim 4
Dependent Claim
61 words
GLASS BENDING APPARATUS CONSISTING ESSENTIALLY, IN ITS GLASS ENGAGING PARTS, OF ANNULAR FRAMES HAVING THE CURVATURE DESIRED CONFORMING SHAPES APPROXIMATING THE OUTLINE OF THE BENT OBJECT, AND RESILENT PAD MEANS TO ENGAGE ONE SIDE OF THE GLASS WITHIN THE FRAMES DURING THE SHAPING OF THE GLASS BY THE FRAMES, AND MEANS TO BRING THE FRAMES TOGETHER ON A SUPENDED GLASS OBJECT.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-03 | 1967-09-02 | 1968-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-03 | 1971-09-02 | 1972-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-03 | 1975-09-02 | 1976-03-03 | $7700.00 | Window Closed / Lapsed |