Patent US2563457A successfully refreshed from Google Patents.
US2563457A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of treating asbestos fiber
Assignee: —
•
Filing: —
•
Granted: 1951-08-07
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Expires: 1968-08-07
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:01
CPC Classifications
C; C04; C04B; C04B28/00; C04B28/02; C04B28/04; E; E04; E04F; E04F21/00; E04F21/02; E04F21/06; E04F21/08; E04F21/12; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/31504; Y10T428/31652
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
176 words
A METHOD OF APPLYING A CELLULAR COATING OF ASBESTOS FIBERS AND A BINDING AGENT TO A SURFACE WITHOUT RELEASE OF DUST FROM SAID FIBERS COMPRISING PROVIDING OPENED ASBESTOS AS A MASS OF ASBESTOS FIBERS AND BUNDLES THEREOF, DISTRIBUTING UNIFORMLY THROUGH SAID OPENED ASBESTOS MOISTURE IN LIMITED AMOUNT FROM 3% TO NOT OVER 40% OF THE WEIGHT OF SAID ASBESTOS TO DAMP EVENLY THE SURFACES OF THE FIBERS AND CAUSE DUST TO CLING TO SAID FIBERS BUT NOT SO GREAT THAT THERE IS FREE LIQUID WHICH CAN BE EXPELLED BY PRESSURE, THEREAFTER SUSPENDING SAID DAMPED FIBERS DISPERSED INTO A STREAM OF AIR AND CONVEYING SAID FIBERS IN SAID STREAM TO SAID SURFACE AND ADDING TO SAID DAMPED FIBERS AS THEY IMPINGE ON SAID SURFACE ADDITIONAL UNEVENLY DISTRIBUTED MOISTURE BY A SIMULTANEOUSLY LIQUID SPRAY TO CAUSE SAID FIBERS TO CLING TO ONE ANOTHER AND TO SAID SURFACE IN A CELLULAR COATING, SAID FIBERS HAVING SAID BINDING AGENT ADDED TO THEM SUBSEQUENT TO THE INITIAL DAMPENING TREATMENT FOR SIMULTANEOUS DEPOSIT OF SAID AGENT AND SAID FIBERS ON SAID SURFACE.
Claim 2
Independent Claim
176 words
A METHOD OF APPLYING A CELLULAR COATING OF ASBESTOS FIBERS AND A BINDING AGENT TO A SURFACE WITHOUT RELEASE OF DUST FROM SAID FIBERS COMPRISING PROVIDING OPENED ASBESTOS AS A MASS OF ASBESTOS FIBERS AND BUNDLES THEREOF, DISTRIBUTING UNIFORMLY THROUGH SAID OPENED ASBESTOS MOISTURE IN LIMITED AMOUNT FROM 3% TO NOT OVER 40% OF THE WEIGHT OF SAID ASBESTOS TO DAMP EVENLY THE SURFACES OF THE FIBERS AND CAUSE DUST TO CLING TO SAID FIBERS BUT NOT SO GREAT THAT THERE IS FREE LIQUID WHICH CAN BE EXPELLED BY PRESSURE, THEREAFTER SUSPENDING SAID DAMPED FIBERS DISPERSED INTO A STREAM OF AIR AND CONVEYING SAID FIBERS IN SAID STREAM TO SAID SURFACE AND ADDING TO SAID DAMPED FIBERS AS THEY IMPINGE ON SAID SURFACE ADDITIONAL UNEVENLY DISTRIBUTED MOISTURE BY A SIMULTANEOUSLY LIQUID SPRAY TO CAUSE SAID FIBERS TO CLING TO ONE ANOTHER AND TO SAID SURFACE IN A CELLULAR COATING, SAID FIBERS HAVING SAID BINDING AGENT ADDED TO THEM SUBSEQUENT TO THE INITIAL DAMPENING TREATMENT FOR SIMULTANEOUS DEPOSIT OF SAID AGENT AND SAID FIBERS ON SAID SURFACE.
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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) | 1954-08-06 | 1955-02-05 | 1955-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-06 | 1959-02-05 | 1959-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-06 | 1963-02-05 | 1963-08-07 | $7700.00 | Window Closed / Lapsed |