US3176344A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for spinning filaments
Assignee: Monsanto Co
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Filing: 1962-06-25
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Granted: 1965-04-06
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Expires: 1982-06-25
Abstract
No abstract record available.
Inventors
- 👤 Jr Robert E Opferkuch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:12
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/28; D01D5/30; Y; Y10; Y10S; Y10S264/00; Y10S264/26; Y10S425/00; Y10S425/217
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
A DEVICE FOR SPINNING FILAMENTS, COMPRISING A HOUSING HAVING A PASSAGEWAY THERETHROUGH, AND A PAIR OF SPINNERETTE PLATES MOUNTED IN SAID PASSAGEWAY, EACH OF SAID SPINNERETTES HAVING THEREIN AN ARRAY OF SPINNING ORIFICES SUBSTANTIALLY COVERING THE FACE OF SAID SPINNERETTE SO THAT SUBSTANTIALLY ALL PORTIONS OF THE FACE OF EACH SPINNERETTE ARE PROVIDED WITH SPINNING ORIFICES, ONE OF SAID SPINNERETTE PLATES BEING POSITIONED DOWNSTREAM FOR THE OTHER, SAID HOUSING HAVING A FIRST INLET LEADING TO THE PASSAGEWAY AT A POINT UPSTREAM OF BOTH OF SAID SPINNERETTE PLATES, SAID HOUSING HAVING A SECOND INLET LEADING TO THE PASSAGEWAY AT A POINT BETWEEN SAID SPINNERETTE PLATES, SAID PASSAGEWAY HAVING A RESTRICTION DOWNSTREAM OF SAID SECOND INLET.
Claim 2
Independent Claim
114 words
A DEVICE FOR SPINNING FILAMENTS, COMPRISING A HOUSING HAVING A PASSAGEWAY THERETHROUGH, AND A PAIR OF SPINNERETTE PLATES MOUNTED IN SAID PASSAGEWAY, EACH OF SAID SPINNERETTES HAVING THEREIN AN ARRAY OF SPINNING ORIFICES SUBSTANTIALLY COVERING THE FACE OF SAID SPINNERETTE SO THAT SUBSTANTIALLY ALL PORTIONS OF THE FACE OF EACH SPINNERETTE ARE PROVIDED WITH SPINNING ORIFICES, ONE OF SAID SPINNERETTE PLATES BEING POSITIONED DOWNSTREAM FOR THE OTHER, SAID HOUSING HAVING A FIRST INLET LEADING TO THE PASSAGEWAY AT A POINT UPSTREAM OF BOTH OF SAID SPINNERETTE PLATES, SAID HOUSING HAVING A SECOND INLET LEADING TO THE PASSAGEWAY AT A POINT BETWEEN SAID SPINNERETTE PLATES, SAID PASSAGEWAY HAVING A RESTRICTION DOWNSTREAM OF SAID SECOND INLET.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-05 | 1968-10-05 | 1969-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-05 | 1972-10-05 | 1973-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-05 | 1976-10-05 | 1977-04-06 | $7700.00 | Window Closed / Lapsed |