US3061490A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laminated safety glass
Assignee: Libbey Owens Ford Glass Co
•
Filing: 1959-09-23
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Granted: 1962-10-30
•
Expires: 1979-09-23
Abstract
No abstract record available.
Inventors
- 👤 Joseph D Ryan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:13
CPC Classifications
B; B32; B32B; B32B17/00; B32B17/06; B32B17/10; B32B17/10005; B32B17/10009; B32B17/10036; B32B17/10165; B32B17/10293; B32B17/10302; B32B17/1055; B32B17/10798; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31609; Y10T428/31612
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
A LAMINATED SAFETY GLASS UNIT HAVING AN EXTENDED EDGE FASTENING PORTION WHICH IS RESISTANT TO DECOMPOSITION BY LIGHT AND ATMOSOHERE, COMPRISING TWO SHEETS OF GLASS, A FIRST LAYER OF CLEAR CURED POLYMETHYL SILOXONE ELASTOMER INTERPOSED BETWEEN AND BONDING SAID SHEETS OF GLASS TOGETHER, AND AN EDGE UNIT FOR SAID LAMINATE COMPRISING A SECOND CURED POLYMETHYL SILOXANE ELASTOMER LAYER HAVING A PORTION THEREOF LOCATED BETWEEN THE SHEETS OF GLASS,, AND ANOTHER PORTION PROJECTING BEYOND THE EDGES OF THE GLASS SHEETS, SAID SECOND CURED POLYMETHYL SILOXANE ELASTOMER LAYER HAVING FROM 1 TO 50 PARTS BY WEIGHT OF CALCIUM CARBONATE INTIMATELY ADMIXED WITH EACH 100 PARTS BY WEIGHT THEREOF.
Claim 2
Dependent Claim
106 words
A LAMINATED SAFETY GLASS UNIT HAVING AN EXTENDED EDGE FASTENING PORTION WHICH IS RESISTANT TO DECOMPOSITION BY LIGHT AND ATMOSOHERE, COMPRISING TWO SHEETS OF GLASS, A FIRST LAYER OF CLEAR CURED POLYMETHYL SILOXONE ELASTOMER INTERPOSED BETWEEN AND BONDING SAID SHEETS OF GLASS TOGETHER, AND AN EDGE UNIT FOR SAID LAMINATE COMPRISING A SECOND CURED POLYMETHYL SILOXANE ELASTOMER LAYER HAVING A PORTION THEREOF LOCATED BETWEEN THE SHEETS OF GLASS,, AND ANOTHER PORTION PROJECTING BEYOND THE EDGES OF THE GLASS SHEETS, SAID SECOND CURED POLYMETHYL SILOXANE ELASTOMER LAYER HAVING FROM 1 TO 50 PARTS BY WEIGHT OF CALCIUM CARBONATE INTIMATELY ADMIXED WITH EACH 100 PARTS BY WEIGHT THEREOF.
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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) | 1965-10-29 | 1966-04-30 | 1966-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-29 | 1970-04-30 | 1970-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-29 | 1974-04-30 | 1974-10-30 | $7700.00 | Window Closed / Lapsed |