US2977277A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for making a web of fibrous material
Assignee: Pusey & Jones Corp
•
Filing: 1957-07-15
•
Granted: 1961-03-28
•
Expires: 1977-07-15
Abstract
No abstract record available.
Inventors
- 👤 Kelly Jack Reed
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:13
CPC Classifications
D; D21; D21F; D21F9/00; D21F9/003; Y; Y10; Y10S; Y10S162/00; Y10S162/07
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
A METHOD OF MAKING A CONTINUOUS WEB OF FIBROUS MATERIAL WHICH COMPRISES CONTINUOUSLY PROJECTING A STOCK CONTAINING LIQUID AND FIBERS UPWARDLY AT AN ANGLE TO THE HORIZONTAL OF AT LEAST OF THE ORDER OF 45* AT A RATE SUCH THAT ITS INITIAL ENERGY IS SUBSTANTIALLY ENTIRELY VELOCITY ENERGY, DIRECTING THE FIBERS SO THAT THEIR UPWARD MOVEMENT IS CONTINUED WHILE ALLOWING A SUBSTANTIAL PART OF THE
Claim 2
Independent Claim
65 words
A METHOD OF MAKING A CONTINUOUS WEB OF FIBROUS MATERIAL WHICH COMPRISES CONTINUOUSLY PROJECTING A STOCK CONTAINING LIQUID AND FIBERS UPWARDLY AT AN ANGLE TO THE HORIZONTAL OF AT LEAST OF THE ORDER OF 45* AT A RATE SUCH THAT ITS INITIAL ENERGY IS SUBSTANTIALLY ENTIRELY VELOCITY ENERGY, DIRECTING THE FIBERS SO THAT THEIR UPWARD MOVEMENT IS CONTINUED WHILE ALLOWING A SUBSTANTIAL PART OF THE
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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) | 1964-03-27 | 1964-09-26 | 1965-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-27 | 1968-09-26 | 1969-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-27 | 1972-09-26 | 1973-03-28 | $7700.00 | Window Closed / Lapsed |