Patent US3003911A successfully refreshed from Google Patents.
US3003911A
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Fibrous aggregates and process and apparatus for making them
Assignee: Arthur D Little Inc
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Filing: 1958-04-07
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Granted: 1961-10-10
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Expires: 1978-04-07
Abstract
No abstract record available.
Inventors
- 👤 Richard S Lindstrom
- 👤 Raphael Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:29
CPC Classifications
D; D21; D21F; D21F9/00; D21F9/02; A; A01; A01C; A01C21/00; D21F1/00; Y; Y10; Y10S; Y10S71/00; Y10S71/904; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1062; Y10T156/1067
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
PROCESS OF FORMING FIBROUS AGGREGATES IN THE FORM OF TIGHTLY WOUND, CONVOLUTED FIBROUS LAYERS, COMPRISING THE STEPS OF FORMING A WATER STOCK OF FIBERS, LAYING SAID STOCK ON A MOVING FORAMINOUS MEMBER TO FORM A WET WEB, FORMING SAID WET WEB INTO RIBBONS, AND ROLLING UP PREDETERMINED LENGTHS OF SAID RIBBONS BEFORE ANY APPRECIABLE AMOUNT OF WATER REMAINING IN SAID RIBBONS IS REMOVED THEREBY TO FORM SAID AGGREGATES.
Claim 2
Dependent Claim
68 words
PROCESS OF FORMING FIBROUS AGGREGATES IN THE FORM OF TIGHTLY WOUND, CONVOLUTED FIBROUS LAYERS, COMPRISING THE STEPS OF FORMING A WATER STOCK OF FIBERS, LAYING SAID STOCK ON A MOVING FORAMINOUS MEMBER TO FORM A WET WEB, FORMING SAID WET WEB INTO RIBBONS, AND ROLLING UP PREDETERMINED LENGTHS OF SAID RIBBONS BEFORE ANY APPRECIABLE AMOUNT OF WATER REMAINING IN SAID RIBBONS IS REMOVED THEREBY TO FORM SAID AGGREGATES.
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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) | 1964-10-09 | 1965-04-10 | 1965-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-09 | 1969-04-10 | 1969-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-09 | 1973-04-10 | 1973-10-10 | $7700.00 | Window Closed / Lapsed |