US3089801A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ultra-thin glass sheet
Assignee: 3M Co
•
Filing: 1957-05-27
•
Granted: 1963-05-14
•
Expires: 1977-05-27
Abstract
No abstract record available.
Inventors
- 👤 Hubert J Tierney
- 👤 Thurnauer Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:22
CPC Classifications
B; B32; B32B; B32B17/00; B32B17/06; B32B17/10; B32B17/10005; B32B17/10009; B32B17/10073; B32B17/10018; B32B17/10165; B32B17/10366; Y; Y10; Y10S; Y10S428/00; Y10S428/906; Y10T; Y10T428/00; Y10T428/24; Y10T428/24777; Y10T428/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
A THIN, FLEXIBLE, SELF-SUSTAINING, CONTAINOUS COMPOSITE SHEET CAPABLE OF BEING FORMED IN ROLLS FOR STORAGE AND TRANSPORTATION, AND UPON BEING UNWOUND FROM ROLL FROM, OF BEING FLEXED AND HANDLED AND OF BEING CUT WITH A KNIFE TO PROVIDE A EDGE WHICH MAY BE CHARACTERIZED AS REGED BUT FREE FROM FISSURES EXTENDING MORE THAN 1/4 INCH INTO THE GLASS, SAID COMPOSITE SHEET COMPRISING (1) A FLEXIBLE CARRIER WEB, (2) A DETACHABLE LAYER OF GLASS HAVING A THICKNESS OF ABOUT 0.001-0.010 INCH AND, INTERPOSED BETWEEN SAID CARRIER WEB AND SAID LAYER OF GLASS, (3) A LAYER OF RUBBERY, STABLY TACKY ADHESIVE WHICH HAS PREFERENTIAL ADHERENCE TO THE CARRIER WEB AND HAS AN ADHESION-TO-STEEL VALUE OF 1-12 OUNCES PER INCH OF WIDTH.
Claim 2
Dependent Claim
119 words
A THIN, FLEXIBLE, SELF-SUSTAINING, CONTAINOUS COMPOSITE SHEET CAPABLE OF BEING FORMED IN ROLLS FOR STORAGE AND TRANSPORTATION, AND UPON BEING UNWOUND FROM ROLL FROM, OF BEING FLEXED AND HANDLED AND OF BEING CUT WITH A KNIFE TO PROVIDE A EDGE WHICH MAY BE CHARACTERIZED AS REGED BUT FREE FROM FISSURES EXTENDING MORE THAN 1/4 INCH INTO THE GLASS, SAID COMPOSITE SHEET COMPRISING (1) A FLEXIBLE CARRIER WEB, (2) A DETACHABLE LAYER OF GLASS HAVING A THICKNESS OF ABOUT 0.001-0.010 INCH AND, INTERPOSED BETWEEN SAID CARRIER WEB AND SAID LAYER OF GLASS, (3) A LAYER OF RUBBERY, STABLY TACKY ADHESIVE WHICH HAS PREFERENTIAL ADHERENCE TO THE CARRIER WEB AND HAS AN ADHESION-TO-STEEL VALUE OF 1-12 OUNCES PER INCH OF WIDTH.
References Cited (Backward Citations)
US1809984A
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US2622656A
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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) | 1966-05-13 | 1966-11-12 | 1967-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-13 | 1970-11-12 | 1971-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-13 | 1974-11-12 | 1975-05-14 | $7700.00 | Window Closed / Lapsed |