US3286893A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for automatic glass cutting
Assignee: Libbey Owens Ford Glass Co
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Filing: 1965-09-01
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Granted: 1966-11-22
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Expires: 1985-09-01
Abstract
No abstract record available.
Inventors
- 👤 Jr James T Zellers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:07
CPC Classifications
C; C03; C03B; C03B33/00; C03B33/02; C03B33/023; Y; Y10; Y10T; Y10T225/00; Y10T225/10; Y10T225/12; Y10T225/30; Y10T225/307; Y10T225/321; Y10T225/325
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
A METHOD OF SEPARATING GLASS SHEETS INTO A PLURALITY OF SMALLER UNITS, COMPRISING SCORING A PLURALITY OF SHEETS ALONG A PLURALITY OF SPACED PARALLEL LINES, PASSING THE SCORED SHEETS FORWARDLY ALONG A PERDETERMINED PATH PARALLEL TO THE SCORE LINES AND AUTOMATICALLY STACKING THEM ONE UPON THE OTHER TO FORM A STACK, WITH SAID SCORE LINES IN SUPERIMPOSED RELATION, AND THEN BREAKING THE STACK GROUP OF SHEETS SIMULTANEOUSLY ALONG SAID SCORE LINES.
Claim 2
Independent Claim
71 words
A METHOD OF SEPARATING GLASS SHEETS INTO A PLURALITY OF SMALLER UNITS, COMPRISING SCORING A PLURALITY OF SHEETS ALONG A PLURALITY OF SPACED PARALLEL LINES, PASSING THE SCORED SHEETS FORWARDLY ALONG A PERDETERMINED PATH PARALLEL TO THE SCORE LINES AND AUTOMATICALLY STACKING THEM ONE UPON THE OTHER TO FORM A STACK, WITH SAID SCORE LINES IN SUPERIMPOSED RELATION, AND THEN BREAKING THE STACK GROUP OF SHEETS SIMULTANEOUSLY ALONG SAID SCORE LINES.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |