US2908064A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Non-woven filamentary products and process
Assignee: EIDP Inc
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Filing: 1956-10-31
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Granted: 1959-10-13
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Expires: 1976-10-31
Abstract
No abstract record available.
Inventors
- 👤 Herbert G Lauterbach
- 👤 Harry M Norton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:10
CPC Classifications
D; D04; D04H; D04H3/00; D04H3/08; D04H3/10; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24058; Y10T428/24074; Y10T428/24091; Y10T428/24099; Y10T428/24107; Y10T428/31504; Y10T428/3154; Y10T428/31725; Y10T428/31739; Y10T428/31786; Y10T428/31971
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
A NON-WOVEN COHERENT FELT-LIKE ARTICLE COMPRISING PREDOMINANTLY SYNTHETIC ORGANIC CONTINOUS FILAMETARY MATERIAL CHARACTERIZED BY PREDOMINANTLY COPLANAR SUPERIMPOSED LAYERS OF THE FILAMENTARY COMPONENTS, THE FILAMENTS IN EACH KAYER BEING ORIENTED AT AN ANGLE RELARIVE TO ADJACENT FILAMENTS IN ADJACENT LAYERS, WITH PORTIONS OF SOME OF THE FILAMENTARY COMPONENTS FROM EACH LAYER ORIENTED INTO AT LEAST ONE ADJACENT LAYER.
Claim 2
Dependent Claim
57 words
A NON-WOVEN COHERENT FELT-LIKE ARTICLE COMPRISING PREDOMINANTLY SYNTHETIC ORGANIC CONTINOUS FILAMETARY MATERIAL CHARACTERIZED BY PREDOMINANTLY COPLANAR SUPERIMPOSED LAYERS OF THE FILAMENTARY COMPONENTS, THE FILAMENTS IN EACH KAYER BEING ORIENTED AT AN ANGLE RELARIVE TO ADJACENT FILAMENTS IN ADJACENT LAYERS, WITH PORTIONS OF SOME OF THE FILAMENTARY COMPONENTS FROM EACH LAYER ORIENTED INTO AT LEAST ONE ADJACENT LAYER.
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) | 1962-10-12 | 1963-04-13 | 1963-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-12 | 1967-04-13 | 1967-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-12 | 1971-04-13 | 1971-10-13 | $7700.00 | Window Closed / Lapsed |