US3281902A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods for producing fibrous webs
Assignee: Johnson and Johnson
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Filing: 1962-06-29
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Granted: 1966-11-01
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Expires: 1982-06-29
Abstract
No abstract record available.
Inventors
- 👤 Kalwaites Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:13
CPC Classifications
D; D04; D04H; D04H1/00; D04H1/70; D04H1/74
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
IN A METHOD OF IMPROVING THE CROSS STRENGTH AND DRAFTING CHARACTERISTICS OF A FIBROUS WEB WHICH COMPRISES THE STEPSS OF CONTINOUSLY CARDINGFIBERS ON A ROTATABLE CARDING SURFACE AND TRANSFERRING SAID CARDED FIBERS DIRECTLY FROM SAID ROTATABLE CARDING SURFACE TO PROJECTIONS LYING IN A ROTATABLE SURFACE HAVING A MUCH LOWER PERIPHERAL SURFACE LINEAR SPEED THAN THAT OF SAID ROTATABLE CARFING SURFACE TO FORM A CARDED FIBROUS WEB ON SAID ROTATABLE SURFACE, SAID CARDED FIBROUS WEB HAVING A PREDOMINANT
Claim 2
Dependent Claim
77 words
IN A METHOD OF IMPROVING THE CROSS STRENGTH AND DRAFTING CHARACTERISTICS OF A FIBROUS WEB WHICH COMPRISES THE STEPSS OF CONTINOUSLY CARDINGFIBERS ON A ROTATABLE CARDING SURFACE AND TRANSFERRING SAID CARDED FIBERS DIRECTLY FROM SAID ROTATABLE CARDING SURFACE TO PROJECTIONS LYING IN A ROTATABLE SURFACE HAVING A MUCH LOWER PERIPHERAL SURFACE LINEAR SPEED THAN THAT OF SAID ROTATABLE CARFING SURFACE TO FORM A CARDED FIBROUS WEB ON SAID ROTATABLE SURFACE, SAID CARDED FIBROUS WEB HAVING A PREDOMINANT
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) | 1969-10-31 | 1970-05-02 | 1970-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-31 | 1974-05-02 | 1974-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-31 | 1978-05-02 | 1978-11-01 | $7700.00 | Window Closed / Lapsed |