US2678293A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cellular resinous materials and processes of making the same
Assignee: United Shoe Machinery Corp
•
Filing: 1948-11-20
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Granted: 1954-05-11
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Expires: 1968-11-20
Abstract
No abstract record available.
Inventors
- 👤 Edward B Mcmillan
- 👤 Arthur R Olson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:08
CPC Classifications
A; A43; A43D; A43D3/00; A43D3/02; C; C08; C08J; C08J9/00; C08J9/22; C08J9/228; C08J9/232
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
59 words
A LIGHT, STRONG, INTEGRAL, CONTINUOUS CELLULAR MATERIAL COMPRISING A NETWORK OF RELATIVELY THICK SUBSTANTIALLY NONPORIYS RESINOUS MEMBRANES DEFINING CELLS AND THINNER MEMBRANES OF THE SAME COMPOSITION AS THE NETWORK SUBDIVIDING SAID CELLS INTO SMALLER UNITS, SAID RESINOUS MATERIAL COMPRISING AN INTIMATE MIXTURE OF A STYRENE COPOLYMER OF HIGH STYRENE CONTENT AND A BUTADINE-STYRENE COPOLYMER SYNTHETIC RUBBER CONTAINING 30% STYRENE.
References Cited (Backward Citations)
US2136096A
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US2322581A
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US2183857A
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US2371868A
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US2363051A
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US2459739A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-10 | 1957-11-09 | 1958-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-10 | 1961-11-09 | 1962-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-10 | 1965-11-09 | 1966-05-11 | $7700.00 | Window Closed / Lapsed |