US3120088A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for treating glass sheets
Assignee: PPG Industries Inc
•
Filing: 1960-11-23
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Granted: 1964-02-04
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Expires: 1980-11-23
Abstract
No abstract record available.
Inventors
- 👤 Lyle L Shumaker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:54
CPC Classifications
B; B24; B24B; B24B9/00; B24B9/02; B24B9/06; B24B9/08; B24B9/10; B24B21/00; B24B21/002; B32; B32B; B32B17/00; B32B17/06; B32B17/10; B32B17/10005; B32B17/10807; B32B17/10981
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
A METHOD OF TREATING A GLASS SHEET CUT TO OUTLINE AND HAVING A CENTRAL PORTION AND END PORTIONS WITH TIPS AT THE OUTERMOST LONGITUDINAL EXTREMITIES OF THE END PORTIONS WHICH COMPRISES MOVING THE SHEET ALONG A PATH IN A HORIZONTAL POSITION IN A DIRECTION PARALLEL TO ITS LONGITUDINAL AXIS SO THAT ONE OF SAID TIPS IS A LEADING TIP AND THE OTHER IS A TRAILING TIP, LIFTING ONE TIP OF THE SHEET INTO ENGAGEMENT WITH AN ABRADING MEANS WHILE CONTINUING SAID MOVEMENT IN SAID PATH, AND LOWERING SAID ONE TIP TO THE HORIZONTAL POSITION ALONG THE PATH OF MOVEMENT WHILE CONTINUING SAID PATH OF MOVEMENT, WHEREBY THE SHEET AT ITS UPPER MAJOR SURFACE IS SEAMED AT ONE OF THE TIPS.
Claim 2
Independent Claim
120 words
A METHOD OF TREATING A GLASS SHEET CUT TO OUTLINE AND HAVING A CENTRAL PORTION AND END PORTIONS WITH TIPS AT THE OUTERMOST LONGITUDINAL EXTREMITIES OF THE END PORTIONS WHICH COMPRISES MOVING THE SHEET ALONG A PATH IN A HORIZONTAL POSITION IN A DIRECTION PARALLEL TO ITS LONGITUDINAL AXIS SO THAT ONE OF SAID TIPS IS A LEADING TIP AND THE OTHER IS A TRAILING TIP, LIFTING ONE TIP OF THE SHEET INTO ENGAGEMENT WITH AN ABRADING MEANS WHILE CONTINUING SAID MOVEMENT IN SAID PATH, AND LOWERING SAID ONE TIP TO THE HORIZONTAL POSITION ALONG THE PATH OF MOVEMENT WHILE CONTINUING SAID PATH OF MOVEMENT, WHEREBY THE SHEET AT ITS UPPER MAJOR SURFACE IS SEAMED AT ONE OF THE TIPS.
References Cited (Backward Citations)
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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) | 1967-02-03 | 1967-08-05 | 1968-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-03 | 1971-08-05 | 1972-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-03 | 1975-08-05 | 1976-02-04 | $7700.00 | Window Closed / Lapsed |