US2899337A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fibrous absorbent ball and method of producing same
Assignee: —
•
Filing: —
•
Granted: 1959-08-11
•
Expires: 1976-08-11
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:58
CPC Classifications
D; D01; D01G; D01G99/00; A; A61; A61F; A61F13/00; A61F13/15; A61F13/20; A61F13/2022; A61F13/2048; A61F13/2082; A61F13/2085; A61L; A61L15/00; A61L15/16; A61L15/22; A61L15/28; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2904; Y10T428/2907; Y10T428/2913; Y10T428/2933
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
A LIGHT-WEIGHT FIBROUS ABSORBENT BALL HAVING DENSITY AT LEAST ABOUT 3 BUT NOT GREATER THAN ABOUT 20 GRAINS PER CUBIC INCH SO AS TO BE COHERENT BUT READILY COMPRESSIBLE WITH FINGER PRESSURE, THE SURFACE FIBERS OF SAID PRODUCT BEING BONDED WITH A SOLID BINDER IN AMOUNT TO RESTRAIN AND SUBSTANTIALLY PREVENT PROTRUSION OF SURFACE
Claim 2
Dependent Claim
54 words
A LIGHT-WEIGHT FIBROUS ABSORBENT BALL HAVING DENSITY AT LEAST ABOUT 3 BUT NOT GREATER THAN ABOUT 20 GRAINS PER CUBIC INCH SO AS TO BE COHERENT BUT READILY COMPRESSIBLE WITH FINGER PRESSURE, THE SURFACE FIBERS OF SAID PRODUCT BEING BONDED WITH A SOLID BINDER IN AMOUNT TO RESTRAIN AND SUBSTANTIALLY PREVENT PROTRUSION OF SURFACE
References Cited (Backward Citations)
US1729272A
Cited
US1438064A
Cited
US2070300A
Cited
GB388544A
Cited
US1928568A
Cited
US2123750A
Cited
US2244097A
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US2193188A
Cited
US2327250A
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US2339562A
Cited
US2719806A
Cited
US2673819A
Cited
US2758039A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-10 | 1963-02-09 | 1963-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-10 | 1967-02-09 | 1967-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-10 | 1971-02-09 | 1971-08-11 | $7700.00 | Window Closed / Lapsed |