US2887400A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solvent activatable stiffener material
Assignee: United Shoe Machinery Corp
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Filing: 1957-12-20
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Granted: 1959-05-19
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Expires: 1977-12-20
Abstract
No abstract record available.
Inventors
- 👤 Roger A Pollock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:41
CPC Classifications
D; D06; D06N; D06N3/00; D06N3/02; A; A43; A43B; A43B23/00; A43B23/08; A43B23/16; A43B3/00; A43B3/0036; A43B3/0078; A43B3/0084; D06N3/0002; D06N3/004; Y; Y10; Y10T; Y10T428/00; Y10T428/23907; Y10T428/23943; Y10T428/23986
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
AS AN ARTICLE OF MANUFACTURE, SOLVENT ACTIVATABLE, SIFFENABLE SHEET MATERIAL COMPRISING A STIFFLY FLEXIBLE LAYER OF FIBROUS SHEET MATERIAL, A LAYER OF FLOCK BONDED ADHESIVELY TO A SURFACE OF SAID LAYER OF FIBROUS MATERIAL, AND, INCORPORATED INTO SAID LAYER OF FLOCK IN DISCONTINUOUS FORM, A STIFFENING PLASTIC ADAPTED TO BE COALESCED THROUGH THE ACTION OF A SOLVENT INTO A SUBSTANTIALLY CONTINUOUS FILM FOR CAUSING THE STIFFENER MATERIAL TO BECOME STIFFENED UPON THE EVAPORATION OF THE SOLVENT.
Claim 2
Dependent Claim
76 words
AS AN ARTICLE OF MANUFACTURE, SOLVENT ACTIVATABLE, SIFFENABLE SHEET MATERIAL COMPRISING A STIFFLY FLEXIBLE LAYER OF FIBROUS SHEET MATERIAL, A LAYER OF FLOCK BONDED ADHESIVELY TO A SURFACE OF SAID LAYER OF FIBROUS MATERIAL, AND, INCORPORATED INTO SAID LAYER OF FLOCK IN DISCONTINUOUS FORM, A STIFFENING PLASTIC ADAPTED TO BE COALESCED THROUGH THE ACTION OF A SOLVENT INTO A SUBSTANTIALLY CONTINUOUS FILM FOR CAUSING THE STIFFENER MATERIAL TO BECOME STIFFENED UPON THE EVAPORATION OF THE SOLVENT.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-18 | 1962-11-17 | 1963-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-18 | 1966-11-17 | 1967-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-18 | 1970-11-17 | 1971-05-19 | $7700.00 | Window Closed / Lapsed |