US2756648A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flow control apparatus
Assignee: Kimberly Clark Corp
•
Filing: 1952-12-04
•
Granted: 1956-07-31
•
Expires: 1972-12-04
Abstract
No abstract record available.
Inventors
- 👤 Charles A Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:26
CPC Classifications
D; D21; D21F; D21F1/00; D21F1/02; D21F1/028
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
112 words
IN WEB-FORMING APPARATUS OF THE PRESSURE FORMING TYPE, A CONTINUOUS WEB-FORMING MEMBER, MEANS FOR SUPPORTING SAID MEMBER AND FOR MOVING SAID MEMBER THROUGH THE WEB-FORMING REGION OF SAID APPARATUS, A SOURCE OF SUPPLY OF A FLUID SUSPENSION OF A FIBROUS MATERIAL AND A FLOW CONTROL UNIT HAVING AN INFLOW OPENING CONNECTED TO SAID SOURCE OF SUPPLY AND HAVING AN OUTFLOW OPENING THROUGH WHICH A CONFINED FLOWING STREAM OF SAID FLUID IS DISCHARGED ONTO SAID FORMING MEMBER UNDER PRESSURE FORMING CONDITIONS AS THAT MEMBER IS MOVED THROUGH SAID WEB-FORMING REGION, SAID WEB-FORMING REGION BEING LOCATED AT THE OUTFLOW OPENING OF SAID FLOW CONTROL UNIT, SAID FLOW CONTROL UNIT INCLUDING MEANS DEFINING THE WALLS
References Cited (Backward Citations)
US838686A
Cited
US1534080A
Cited
GB356294A
Cited
US1913678A
Cited
US1928286A
Cited
DE539372C
Cited
US1890634A
Cited
US1898372A
Cited
AT153715B
Cited
US2202890A
Cited
US2156445A
Cited
US2134408A
Cited
US2281293A
Cited
US2329799A
Cited
US2396694A
Cited
US2384912A
Cited
US2418600A
Cited
US2473069A
Cited
US2521261A
Cited
US2608912A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-07-31 | 1960-01-30 | 1960-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-31 | 1964-01-30 | 1964-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-31 | 1968-01-30 | 1968-07-31 | $7700.00 | Window Closed / Lapsed |