US3102835A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fibrous materials and method for making the same
Assignee: Allen Industries Inc
•
Filing: 1960-04-25
•
Granted: 1963-09-03
•
Expires: 1980-04-25
Abstract
No abstract record available.
Inventors
- 👤 Marion M White
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:29
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/564; D04; D04H; D04H1/00; D04H1/40; D04H1/58; D04H1/587; D04H1/64; D04H1/70; D04H1/74; Y; Y10; Y10T; Y10T428/00; Y10T428/29
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
A METHOD FOR FORMING AN OPEN TEXTURE FIBROUS MATERIAL WHICH COMPRISES THE STEPS OF (1) SATURATING FIBERS WITH A SATURANT COMPRISING A URETHANE PRE-POLYMER IN A SOLVENT TO FORM A MASS CONTAINING ABOUT 15%-50% FIBERS AND ABOUT 50%-85%, BY WEIGHT OF THE TOTAL, OF SAID SATURANT, (2) REMOVING A PORTION OF SAID SATURANT TO FORM A MASS OF FIBERS CONTAINING ABOUT 50%-95% FIBERS AND 5%-50%, BY WEIGHT OF THE TOTAL, OF SAID SATURANT CONTAINING LESS THAN 40% SOLVENT, SAID SATURANT HAVING A VISCOSITY IN THE RANGE OF ABOUT 25 TO ABOUT 750 CPS., (3) PASSING SAID MASS OF FIBERS FROM STEP 2 OVER A GARNETT TO DIRECTIONALLY ORIENT SAID FIBERS AND UNIFORMLY DISTRIBUTE SAID SATURANT OVER THE SURFACES THEREOF, AND (4) POLYMERIZING SAID URETHANE PRE-POLYMER IN SITU ON SAID FIBERS SO AS TO BOND SAID FIBERS TO EACH OTHER AT THE POINTS OF CONTACT.
Claim 2
Independent Claim
144 words
A METHOD FOR FORMING AN OPEN TEXTURE FIBROUS MATERIAL WHICH COMPRISES THE STEPS OF (1) SATURATING FIBERS WITH A SATURANT COMPRISING A URETHANE PRE-POLYMER IN A SOLVENT TO FORM A MASS CONTAINING ABOUT 15%-50% FIBERS AND ABOUT 50%-85%, BY WEIGHT OF THE TOTAL, OF SAID SATURANT, (2) REMOVING A PORTION OF SAID SATURANT TO FORM A MASS OF FIBERS CONTAINING ABOUT 50%-95% FIBERS AND 5%-50%, BY WEIGHT OF THE TOTAL, OF SAID SATURANT CONTAINING LESS THAN 40% SOLVENT, SAID SATURANT HAVING A VISCOSITY IN THE RANGE OF ABOUT 25 TO ABOUT 750 CPS., (3) PASSING SAID MASS OF FIBERS FROM STEP 2 OVER A GARNETT TO DIRECTIONALLY ORIENT SAID FIBERS AND UNIFORMLY DISTRIBUTE SAID SATURANT OVER THE SURFACES THEREOF, AND (4) POLYMERIZING SAID URETHANE PRE-POLYMER IN SITU ON SAID FIBERS SO AS TO BOND SAID FIBERS TO EACH OTHER AT THE POINTS OF CONTACT.
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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) | 1966-09-02 | 1967-03-04 | 1967-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-02 | 1971-03-04 | 1971-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-02 | 1975-03-04 | 1975-09-03 | $7700.00 | Window Closed / Lapsed |