US3618609A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Braided absorbent material
Assignee: Wyeth Holdings LLC
•
Filing: 1969-12-23
•
Granted: 1971-11-09
•
Expires: 1989-12-23
Abstract
Abstract A process is provided for removing body fluids from an area under surgery which comprises contacting the fluid with a brush comprising a core of continuous monofilament hydrophilic fibers, each of said fibers having a denier between about 1.5 and 10 surrounded by a braided sheath of multifilament yarn, said yarn having a denier in the range of about 100 to about 2,400.
Inventors
- 👤 Arthur Glick
- 👤 Sol Singerman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:32
CPC Classifications
A; A61; A61F; A61F9/00; A61F9/007
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
13 words
The brush of claim 1 wherein the fibers are produced from viscose rayon.
Claim 2
Dependent Claim
38 words
The brush of claim 1 wherein the fibers of the sheath are fused to each other along at least a part of the length of the brush to provide a rigid section to serve as a brush handle.
References Cited (Backward Citations)
US1516454A
Cited
US1682657A
Cited
DE445683C
Cited
US3029818A
Cited
US3067747A
Cited
US3177872A
Cited
US3190289A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-11-08 | 1975-05-10 | 1975-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-08 | 1979-05-10 | 1979-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-08 | 1983-05-10 | 1983-11-09 | $7700.00 | Window Closed / Lapsed |