Patent US2648616A successfully refreshed from Google Patents.
US2648616A
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Material for shoe stiffeners
Assignee: Bixby Box Toe Co Inc
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Filing: 1950-10-20
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Granted: 1953-08-11
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Expires: 1970-10-20
Abstract
No abstract record available.
Inventors
- 👤 Earl H G Gauthier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:50
CPC Classifications
A; A43; A43B; A43B23/00; A43B23/08; A43B23/081; A43B23/086; D; D04; D04H; D04H1/00; D04H1/40; D04H1/58; D04H1/587; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31801; Y10T428/31815; Y10T428/31844; Y10T428/31855; Y10T428/31938; Y10T442/00; Y10T442/20; Y10T442/2361; Y10T442/2762
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
THE MATERIAL FOR SHOE STIFFENERS WHICH COMPRISES A SHEET OF UNFELTED AND UNWOVEN TEXTILE FIBERS BOUND TOGETHER BY POLYVINLY ALCOHOL AND CONTAINING A COMPOSITIOON OF WHICH A MAJOR PROPORTION IS A RESINOUS MATERIAL SELECTED FROM THE GROUP CONSISTING OF OXIDIZED ASPHALT, OXIDIZED ROSIN AND PLASTICIZED STYRENE, SAID MATERIAL BEING STIFF BUUT SOMEWHAT FLEXIBLE AT TEMPERATURES BELOW 120* AND LIMP AT 180* F.
Claim 2
Dependent Claim
62 words
THE MATERIAL FOR SHOE STIFFENERS WHICH COMPRISES A SHEET OF UNFELTED AND UNWOVEN TEXTILE FIBERS BOUND TOGETHER BY POLYVINLY ALCOHOL AND CONTAINING A COMPOSITIOON OF WHICH A MAJOR PROPORTION IS A RESINOUS MATERIAL SELECTED FROM THE GROUP CONSISTING OF OXIDIZED ASPHALT, OXIDIZED ROSIN AND PLASTICIZED STYRENE, SAID MATERIAL BEING STIFF BUUT SOMEWHAT FLEXIBLE AT TEMPERATURES BELOW 120* AND LIMP AT 180* F.
References Cited (Backward Citations)
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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) | 1956-08-10 | 1957-02-09 | 1957-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-10 | 1961-02-09 | 1961-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-10 | 1965-02-09 | 1965-08-11 | $7700.00 | Window Closed / Lapsed |