US3175745A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass breaker
Assignee: American Saint Gobain Corp
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Filing: 1963-03-15
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Granted: 1965-03-30
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Expires: 1983-03-15
Abstract
No abstract record available.
Inventors
- 👤 Thomas A Insolio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:50
CPC Classifications
C; C03; C03B; C03B33/00; C03B33/02; C03B33/023; C03B33/033; Y; Y10; Y10T; Y10T225/00; Y10T225/10; Y10T225/12; Y10T225/30; Y10T225/307; Y10T225/321; Y10T225/325; Y10T225/371
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
A GLASS BREAKER FOR BREAKING GGLASS SHEETS ALONG SCORE LINES (COMPRISING OPPOSING PLATES DISPOSED TO RECEIVE SCORED GLASS SHEETS CONVEYED CONTINUOUSLY THEREBETWEEN, SAID PLATES BEING DISPOSED TO CONFINE SAID GLASS SHEETS AGAINST BENDING, MEANS FOR PROVIDING A GLASS BREAKING REACTANT TO SAID GLASS SHEETS OPPOSING SAID SCORE LINES AS SAID SHEETS ARE CONVEYED FROM BETWEEN SAID PLATES AND MEANS FOR PROVIDING A GLASS BREAKING FORCE TO SAID GLASS SHEETS THAT OPPOSES SAID REACTANT AS SAID SHEETS ARE CONVEYED FROM BETWEEN SAID PLATES.
Claim 2
Dependent Claim
82 words
A GLASS BREAKER FOR BREAKING GGLASS SHEETS ALONG SCORE LINES (COMPRISING OPPOSING PLATES DISPOSED TO RECEIVE SCORED GLASS SHEETS CONVEYED CONTINUOUSLY THEREBETWEEN, SAID PLATES BEING DISPOSED TO CONFINE SAID GLASS SHEETS AGAINST BENDING, MEANS FOR PROVIDING A GLASS BREAKING REACTANT TO SAID GLASS SHEETS OPPOSING SAID SCORE LINES AS SAID SHEETS ARE CONVEYED FROM BETWEEN SAID PLATES AND MEANS FOR PROVIDING A GLASS BREAKING FORCE TO SAID GLASS SHEETS THAT OPPOSES SAID REACTANT AS SAID SHEETS ARE CONVEYED FROM BETWEEN SAID PLATES.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-29 | 1968-09-28 | 1969-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-29 | 1972-09-28 | 1973-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-29 | 1976-09-28 | 1977-03-30 | $7700.00 | Window Closed / Lapsed |