Patent US6128771A successfully refreshed from Google Patents.
Patent US3253756A successfully refreshed from Google Patents.
US3253756A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus and method for cutting glass sheets
Assignee: PPG Industries Inc
•
Filing: 1965-02-16
•
Granted: 1966-05-31
•
Expires: 1985-02-16
Abstract
No abstract record available.
Inventors
- 👤 Regis L Haley
- 👤 Charles O Huffman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:19
CPC Classifications
B; B65; B65G; B65G49/00; B65G49/05; B65G49/06; B65G49/063; B65G49/064; B65G49/065; B65G51/00; B65G51/02; B65G51/03; C; C03; C03B; C03B33/00; C03B33/02; C03B33/023; C03B33/027; C03B33/03; C03B33/033; C03B33/037; B65G2249/00; B65G2249/04; B65G2249/045; Y; Y10; Y10T; Y10T225/00; Y10T225/10; Y10T225/12; Y10T225/30; Y10T225/307; Y10T225/321; Y10T225/325; Y10T83/00; Y10T83/02; Y10T83/0333; Y10T83/444; Y10T83/463; Y10T83/647; Y10T83/6472
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
110 words
A METHOD FOR CUTTING A GLASS SHEET INTO SEGMENTS OF RESELECTED SIZE COMPRISING POSITIONING THE GLASS SHEET ON A SUPPORT DEVICE IN A SUBSTANTIALLY HORIZONTAL POSITION, SQUARING AN EDGE OF THE GLASS SHEET ON SAID SUPPORT DEVICE, ENGAGING A POSITIONING DEVICE TO THE TOP SURFACE OF SAID GLASS SHEET ADJACENT THE TRAILING EDGE OF THE GLASS SHEET, ADVANCING THE GLASS SHEET AND POSITIONING DEVICE TOWARD A FIXED CUTTER MEANS, STOPPING SAID GLASS SHEET BENEATH SAID FIXED CUTTER MEANS, SCORING SAID GLASS SHEET POSITIONED BENEATH SAID FIXED CUTTER BRIDGE, BREAKING SAID GLASS SHEET ALONG SAID SCORE, AND CONVEYING THE CUT SEGMENT OF SAID GLASS SHEET AWAY FROM SAID FIXED CUTTER MEANS.
References Cited (Backward Citations)
US1930582A
Cited
US2747280A
Cited
US2948991A
Cited
US2945600A
Cited
US3027646A
Cited
US3141589A
Cited
US3052339A
Cited
US3151794A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-30 | 1969-11-29 | 1970-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-30 | 1973-11-29 | 1974-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-30 | 1977-11-29 | 1978-05-31 | $7700.00 | Window Closed / Lapsed |