US3036334A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Melt spinning monitoring means
Assignee: EIDP Inc
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Filing: 1958-03-26
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Granted: 1962-05-29
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Expires: 1978-03-26
Abstract
No abstract record available.
Inventors
- 👤 Hayden Robert Bryn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:25
CPC Classifications
D; D01; D01D; D01D1/00; D01D1/06; D01D1/09
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
IN APPARATUS FOR THE MELT-SPINNING OF FILAMENTS FROM SYNTHETIC ORGANIC POLYMER INCLUDING SPINNING MEANS, MEANS FOR MELTING THE POLYMER, A RESERVOIR FOR COLLECTING THE MOLTEN POLYMER TO FORM A MELT POOL AND MEANS FOR PUMPING THE MOLTEN POLYMER UNDER 300 TO 2500 POUNDS PER SQUARE INCH PRESSURE TO THE SPINNING MEANS FOR EXTRUDING FILAMENTS, THE IMPROVEMENT WHICH COMPRISES IN COMBINATION ROTARY PUMPING MEANS FOR FEEDING MOLTEN POLYMER FROM SAID RESERVOIR TO THE SPINNING MEANS
Claim 2
Dependent Claim
74 words
IN APPARATUS FOR THE MELT-SPINNING OF FILAMENTS FROM SYNTHETIC ORGANIC POLYMER INCLUDING SPINNING MEANS, MEANS FOR MELTING THE POLYMER, A RESERVOIR FOR COLLECTING THE MOLTEN POLYMER TO FORM A MELT POOL AND MEANS FOR PUMPING THE MOLTEN POLYMER UNDER 300 TO 2500 POUNDS PER SQUARE INCH PRESSURE TO THE SPINNING MEANS FOR EXTRUDING FILAMENTS, THE IMPROVEMENT WHICH COMPRISES IN COMBINATION ROTARY PUMPING MEANS FOR FEEDING MOLTEN POLYMER FROM SAID RESERVOIR TO THE SPINNING MEANS
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) | 1965-05-28 | 1965-11-27 | 1966-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-28 | 1969-11-27 | 1970-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-28 | 1973-11-27 | 1974-05-29 | $7700.00 | Window Closed / Lapsed |