Patent US4831303A successfully refreshed from Google Patents.
Patent US2687363A successfully refreshed from Google Patents.
US2687363A
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Method and apparatus for the production of filaments and nonwoven fabrics
Assignee: Individual
•
Filing: 1950-09-16
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Granted: 1954-08-24
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Expires: 1970-09-16
Abstract
No abstract record available.
Inventors
- 👤 Fred W Manning
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 09:07
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/26; Y; Y10; Y10S; Y10S47/00; Y10S47/09
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
IN A METHOD FOR ATTENUATING FIBRE-FORMING MATERIAL INTO FILAMENTS BY PROPULSION OF DISCRETE SOLIDS ADHERENT THEREWITH, THE STEPS COMPRISING: DEPOSITING THE SAID SOLIDS UPON A RETAINING WALL; MOVING THE SAID WALL THROUGH AN ENDLESS CIRCUIT TO BRING THE SAID SOLIDS INTO ADHERING CONTACT WITH THE SAID MATERIAL; AND PROPELLING THE SAID SOLIDS WITH A PORTION OF THE SAID ADHERENT MATERIAL FROM THE SAID WALL DURING THE SAID MOVEMENT TO ATTENUATE THE SAID MATERIAL INTO A CONTINUOUS SUCCESSION OF DISCONTINUOUS FILAMENTS OF SUBSTANTIAL LENGTH AND STRENGTH.
Claim 2
Dependent Claim
85 words
IN A METHOD FOR ATTENUATING FIBRE-FORMING MATERIAL INTO FILAMENTS BY PROPULSION OF DISCRETE SOLIDS ADHERENT THEREWITH, THE STEPS COMPRISING: DEPOSITING THE SAID SOLIDS UPON A RETAINING WALL; MOVING THE SAID WALL THROUGH AN ENDLESS CIRCUIT TO BRING THE SAID SOLIDS INTO ADHERING CONTACT WITH THE SAID MATERIAL; AND PROPELLING THE SAID SOLIDS WITH A PORTION OF THE SAID ADHERENT MATERIAL FROM THE SAID WALL DURING THE SAID MOVEMENT TO ATTENUATE THE SAID MATERIAL INTO A CONTINUOUS SUCCESSION OF DISCONTINUOUS FILAMENTS OF SUBSTANTIAL LENGTH AND STRENGTH.
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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) | 1957-08-23 | 1958-02-22 | 1958-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-23 | 1962-02-22 | 1962-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-23 | 1966-02-22 | 1966-08-24 | $7700.00 | Window Closed / Lapsed |