Patent US3141589A successfully refreshed from Google Patents.
US3141589A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and apparatus for cutting glass sheets
Assignee: Compagnie de Saint Gobain SA
•
Filing: 1960-05-31
•
Granted: 1964-07-21
•
Expires: 1980-05-31
Abstract
No abstract record available.
Inventors
- 👤 Jochim Friedrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:45
CPC Classifications
C; C03; C03B; C03B33/00; C03B33/02; C03B33/023; Y; Y02; Y02P; Y02P40/00; Y02P40/50; Y02P40/57; Y10; Y10T; Y10T225/00; Y10T225/10; Y10T225/12; Y10T225/30; Y10T225/307; Y10T225/321; Y10T225/325; Y10T83/00; Y10T83/525; Y10T83/533; Y10T83/541; Y10T83/543
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A GLASS SHEET ESTIMATING AND CUTTING METHOD COMPRISING DEFECT DETECTING OF THE SHEET, MARKING THE SHEET WHENEVER AN OBJECTIONABLE DEFECT CONDITION IS DETECTED WITH INDICIA HAVING FIRST AND SECOND CHARACTERISTICS, DETECTING THE INDICIA HAVING SAID FIRST CHARACTERISTIC TO CONTROL FIRST CUTTING MEANS RESPONSIVE THERETO, AND DETECTING THE INDICIA HAVING SAID SECOND CHARACTERISTIC TO CONTROL SECOND CUTTING MEANS RESPONSIVE THERETO, SAID FIRST AND SECOND CUTTING MEANS BEING ADAPTED TO CUT THE SHEET IN MUTUALLY ORTHOGONAL FIRST AND SECOND DIRECTIONS, RESPECTIVELY, AND SAID MARKING BEING ADAPTED TO PROVIDE THE OPTIMUM DIVISION OF THE SHEET AND MINIMUM LOSS OF USEFUL GLASS THEREFROM.
Claim 2
Dependent Claim
99 words
A GLASS SHEET ESTIMATING AND CUTTING METHOD COMPRISING DEFECT DETECTING OF THE SHEET, MARKING THE SHEET WHENEVER AN OBJECTIONABLE DEFECT CONDITION IS DETECTED WITH INDICIA HAVING FIRST AND SECOND CHARACTERISTICS, DETECTING THE INDICIA HAVING SAID FIRST CHARACTERISTIC TO CONTROL FIRST CUTTING MEANS RESPONSIVE THERETO, AND DETECTING THE INDICIA HAVING SAID SECOND CHARACTERISTIC TO CONTROL SECOND CUTTING MEANS RESPONSIVE THERETO, SAID FIRST AND SECOND CUTTING MEANS BEING ADAPTED TO CUT THE SHEET IN MUTUALLY ORTHOGONAL FIRST AND SECOND DIRECTIONS, RESPECTIVELY, AND SAID MARKING BEING ADAPTED TO PROVIDE THE OPTIMUM DIVISION OF THE SHEET AND MINIMUM LOSS OF USEFUL GLASS THEREFROM.
References Cited (Backward Citations)
US1377320A
Cited
US695553A
Cited
US1814890A
Cited
US2236011A
Cited
US2623587A
Cited
US2674308A
Cited
US2655777A
Cited
US2859813A
Cited
US2966086A
Cited
US2890750A
Cited
US2877846A
Cited
US2948991A
Cited
US3029675A
Cited
US2900761A
Cited
US3044216A
Cited
US3068733A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-21 | 1968-01-20 | 1968-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-21 | 1972-01-20 | 1972-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-21 | 1976-01-20 | 1976-07-21 | $7700.00 | Window Closed / Lapsed |