US3284872A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making needled shoe stiffening material
Assignee: Beckwith Arden Inc
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Filing: 1963-02-12
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Granted: 1966-11-15
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Expires: 1983-02-12
Abstract
No abstract record available.
Inventors
- 👤 Jr Addison W Closson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:48
CPC Classifications
A; A43; A43B; A43B23/00; A43B23/08; A43B23/16; D; D04; D04H; D04H1/00; D04H1/40; D04H1/42; D04H1/425; D04H1/4258; D04H1/44; D04H1/46; D04H1/48; D04H1/488; D04H1/498; D04H1/58; D04H1/64
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
THE PROCESS OF MAKING STIFFENING MATERIAL FOR BOX TOES AND COUNTERS, COMPRISING THE STEPS OF NEEDLING A BATT OF STAPLE RAYON FIBERS TO A SHEET OF LOOSELY WOVEN OSNABURG TO FORM A BIBULOUS PLY OF HIGH TENSILE STRENGTH, SATURATING THE NEEDLED COMPOSITE SHEET IN A BATH OF POLYSTYRENE LATEX, DRYING THE SATURATED SHEET, AND THEREBY BONDING THE RAYON FIBERS TOGETHER, AND THEN COMPACTING AND SEVERELY COMPRESSING THE DRIED SHEET, THUS FORMING A THIN DRY PRODUCT CARRYING A CHARGE OF POLYSTYRENE AMOUNTING IN WEIGHT TO ABOUT 80% OF THE WEIGHT OF THE WOVEN FABRIC BASE.
Claim 2
Dependent Claim
94 words
THE PROCESS OF MAKING STIFFENING MATERIAL FOR BOX TOES AND COUNTERS, COMPRISING THE STEPS OF NEEDLING A BATT OF STAPLE RAYON FIBERS TO A SHEET OF LOOSELY WOVEN OSNABURG TO FORM A BIBULOUS PLY OF HIGH TENSILE STRENGTH, SATURATING THE NEEDLED COMPOSITE SHEET IN A BATH OF POLYSTYRENE LATEX, DRYING THE SATURATED SHEET, AND THEREBY BONDING THE RAYON FIBERS TOGETHER, AND THEN COMPACTING AND SEVERELY COMPRESSING THE DRIED SHEET, THUS FORMING A THIN DRY PRODUCT CARRYING A CHARGE OF POLYSTYRENE AMOUNTING IN WEIGHT TO ABOUT 80% OF THE WEIGHT OF THE WOVEN FABRIC BASE.
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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) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |