Patent US3160491A successfully refreshed from Google Patents.
US3160491A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of bending glass sheets or plates
Assignee: Libbey Owens Ford Glass Co
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Filing: 1959-11-04
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Granted: 1964-12-08
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Expires: 1979-11-04
Abstract
No abstract record available.
Inventors
- 👤 Carl F Binkert
- 👤 Leslie H Laine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 04:05
CPC Classifications
C; C03; C03B; C03B23/00; C03B23/02; C03B23/023; C03B23/025; C03B23/027
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
A METHOD OF BENDING A GLASS SHEET INTO CONTACT WITH THE CONCAVELY CURVED SHAPING SURFACES OF A BENDING MOLD, COMPRISING LOCATING SAID SHEET WITH ONE END THEREOF ON AND IN SUBSTANTIALLY FIXED RELATION TO SAID SHAPING SURFACES AND THE OTHER END OUTWARDLY OF AND ABOVE SAID SURFACES, SUPPORTING SAID OUTER END FOR SLIDING MOVEMENT ON A LOWER EDGE CORNER THEREOF TOWARD SAID SHAPING SURFACES, HEATING SAID SHEET TO A TEMPERATURE AT WHICH IT SOFTENS AND SAGS DOWNWARDLY INTERMEDIATE ITS ENDS TOWARD THE SHAPING SURFACES AND SAID OUTER END SLIDES INWARDLY TOWARD SAID SURFACES, AND ROTATING SAID OTHER END UPWARDLY AND INWARDLY TOWARD SAID FIRST MENTIONED END TO DEPOSIT SAID SHEET ON AND INTO CONTACT WITH SAID SHAPING SURFACES WITHOUT RUBBING CONTACT BETWEEN SAID SHAPING SURFACE AND SAID SHEET.
Claim 2
Independent Claim
128 words
A METHOD OF BENDING A GLASS SHEET INTO CONTACT WITH THE CONCAVELY CURVED SHAPING SURFACES OF A BENDING MOLD, COMPRISING LOCATING SAID SHEET WITH ONE END THEREOF ON AND IN SUBSTANTIALLY FIXED RELATION TO SAID SHAPING SURFACES AND THE OTHER END OUTWARDLY OF AND ABOVE SAID SURFACES, SUPPORTING SAID OUTER END FOR SLIDING MOVEMENT ON A LOWER EDGE CORNER THEREOF TOWARD SAID SHAPING SURFACES, HEATING SAID SHEET TO A TEMPERATURE AT WHICH IT SOFTENS AND SAGS DOWNWARDLY INTERMEDIATE ITS ENDS TOWARD THE SHAPING SURFACES AND SAID OUTER END SLIDES INWARDLY TOWARD SAID SURFACES, AND ROTATING SAID OTHER END UPWARDLY AND INWARDLY TOWARD SAID FIRST MENTIONED END TO DEPOSIT SAID SHEET ON AND INTO CONTACT WITH SAID SHAPING SURFACES WITHOUT RUBBING CONTACT BETWEEN SAID SHAPING SURFACE AND SAID SHEET.
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) | 1967-12-08 | 1968-06-08 | 1968-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-08 | 1972-06-08 | 1972-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-08 | 1976-06-08 | 1976-12-08 | $7700.00 | Window Closed / Lapsed |