US3146926A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass cutting apparatus
Assignee: PPG Industries Inc
•
Filing: 1958-10-23
•
Granted: 1964-09-01
•
Expires: 1978-10-23
Abstract
No abstract record available.
Inventors
- 👤 Charles O Huffman
- 👤 George W Misson
- 👤 William F Galey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:07
CPC Classifications
C; C03; C03B; C03B33/00; C03B33/02; C03B33/023; C03B33/03; C03B33/027; C03B33/033; C03B33/10; Y; Y10; Y10T; Y10T225/00; Y10T225/30; Y10T225/307; Y10T225/321; Y10T225/325; Y10T83/00; Y10T83/202; Y10T83/2027
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
184 words
AN APPARATUS FOR CUTTING A GLASS SHEET WHICH COMPRISES A TABLE TO SUPPORT THE SHEET, MEANS TO CUT THE SHEET ON THE TABLE ALONG A CONTINUOUS LINE EXTENDING TRANSVERSELY OF THE ELONGITUDINAL AXIS OF THE TABLE FROM AN EDGE OF THE SHEET TO AN OPPOSITE EDGE TO PROVIDE SMALLER GLASS SHEETS, SPACING MEANS TO LIFT AND TO MOVE LATERALLY ONE OF THE SMALLER GLASS SHEETS AWAY FROM THE OTHER SMALLER GLASS SHEET TO PROVIDE THE SMALLER GLASS SHEETS IN SPACED RELATIONSHIP ON THE TABLE, AND CONVEYOR MEANS TO MOVE THE GLASS SHEET ONTO THE TABLE AND TO MOVE THE SMALLER GLASS SHEETS OFF THE TABLE IN THE SPACED RELATIONSHIP, SAID TABLE HAVING A TOP SURFACE WITH LONGITUDINAL SECTIONS SPACED TRANSVERSELY FROM ADJACENT LONGITUDINAL SECTIONS AND SAID SPACING MEANS INCLUDING GLASS-SHEET SUPPORTING MEANS MOUNTED BETWEEN THE TRANSVERSELY SPACED LONGITUDINAL SECTIONS OF SAID TABLE FOR MOVEMENT BETWEEN POSITIONS ABOVE AND BELOW THE TOP SURFACE OF SAID TABLE AND MEANS TO MOVE SAID GLASS-SHEET SUPPORTING MEANS BETWEEN SAID POSITIONS AND IN A LONGITUDINAL DIRECTION WHEN THE GLASSSHEET SUPPORTING MEANS ARE ABOVE THE TOP SURFACE OF THE TABLE.
Claim 2
Independent Claim
184 words
AN APPARATUS FOR CUTTING A GLASS SHEET WHICH COMPRISES A TABLE TO SUPPORT THE SHEET, MEANS TO CUT THE SHEET ON THE TABLE ALONG A CONTINUOUS LINE EXTENDING TRANSVERSELY OF THE ELONGITUDINAL AXIS OF THE TABLE FROM AN EDGE OF THE SHEET TO AN OPPOSITE EDGE TO PROVIDE SMALLER GLASS SHEETS, SPACING MEANS TO LIFT AND TO MOVE LATERALLY ONE OF THE SMALLER GLASS SHEETS AWAY FROM THE OTHER SMALLER GLASS SHEET TO PROVIDE THE SMALLER GLASS SHEETS IN SPACED RELATIONSHIP ON THE TABLE, AND CONVEYOR MEANS TO MOVE THE GLASS SHEET ONTO THE TABLE AND TO MOVE THE SMALLER GLASS SHEETS OFF THE TABLE IN THE SPACED RELATIONSHIP, SAID TABLE HAVING A TOP SURFACE WITH LONGITUDINAL SECTIONS SPACED TRANSVERSELY FROM ADJACENT LONGITUDINAL SECTIONS AND SAID SPACING MEANS INCLUDING GLASS-SHEET SUPPORTING MEANS MOUNTED BETWEEN THE TRANSVERSELY SPACED LONGITUDINAL SECTIONS OF SAID TABLE FOR MOVEMENT BETWEEN POSITIONS ABOVE AND BELOW THE TOP SURFACE OF SAID TABLE AND MEANS TO MOVE SAID GLASS-SHEET SUPPORTING MEANS BETWEEN SAID POSITIONS AND IN A LONGITUDINAL DIRECTION WHEN THE GLASSSHEET SUPPORTING MEANS ARE ABOVE THE TOP SURFACE OF THE TABLE.
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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) | 1967-09-01 | 1968-03-02 | 1968-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-01 | 1972-03-02 | 1972-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-01 | 1976-03-02 | 1976-09-01 | $7700.00 | Window Closed / Lapsed |