US3341945A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spinnerette cleaning device
Assignee: Honeywell International Inc
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Filing: 1965-10-20
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Granted: 1967-09-19
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Expires: 1985-10-20
Abstract
No abstract record available.
Inventors
- 👤 Robert E Chase
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:39
CPC Classifications
D; D01; D01D; D01D4/00; D01D4/04; B; B26; B26B; B26B5/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
A DEVICE FOR REMOVING POLYMERIC RESIDUE FROM A SPINNERETTE FACE COMPRISING IN COMBINATION: A BLADE HAVING A FORWARD EDGE AND A BACK EDGE AND A CURVED PORTION EXTENDING PARALLEL TO AND EQUIDISTANT FROM THE FORWARD EDGE AND BACK EDGE, SAID BLADE CONSISTING OF A MATERIAL HAVING A HARDNESS INDEX LESS THAN THE HARDNESS INDEX OF THE SPINNERETTE; AND A HANDLE COMPRISING TWO COMPLEMENTARY-SHAPED PLANAR PLATES IN LAMINAR CONFIGURATION, SAID PLATES HAVING A CURVED PORTION EXTENDING TRANSVERSE TO THE AXIS OF SAID HANDLE AND ADAPTED TO RECEIVE THE CURVED PORTION OF SAID BLADE THEREBETWEEN, SAID PLATES EXTENDING BEYOND THE AXIS OF THE CURVED PORTION OF SAID PLATES TO A DISTANCE WHICH IS LESS THAN HALF THE DISTANCE BETWEEN THE FORWARD EDGE AND BACK EDGE OF SAID BLADE AND BEING SEPARATED THEREAT A DISTANCE SUFFICIENT TO COMPRESSIVELY ENGAGE SAID BLADE.
Claim 2
Independent Claim
138 words
A DEVICE FOR REMOVING POLYMERIC RESIDUE FROM A SPINNERETTE FACE COMPRISING IN COMBINATION: A BLADE HAVING A FORWARD EDGE AND A BACK EDGE AND A CURVED PORTION EXTENDING PARALLEL TO AND EQUIDISTANT FROM THE FORWARD EDGE AND BACK EDGE, SAID BLADE CONSISTING OF A MATERIAL HAVING A HARDNESS INDEX LESS THAN THE HARDNESS INDEX OF THE SPINNERETTE; AND A HANDLE COMPRISING TWO COMPLEMENTARY-SHAPED PLANAR PLATES IN LAMINAR CONFIGURATION, SAID PLATES HAVING A CURVED PORTION EXTENDING TRANSVERSE TO THE AXIS OF SAID HANDLE AND ADAPTED TO RECEIVE THE CURVED PORTION OF SAID BLADE THEREBETWEEN, SAID PLATES EXTENDING BEYOND THE AXIS OF THE CURVED PORTION OF SAID PLATES TO A DISTANCE WHICH IS LESS THAN HALF THE DISTANCE BETWEEN THE FORWARD EDGE AND BACK EDGE OF SAID BLADE AND BEING SEPARATED THEREAT A DISTANCE SUFFICIENT TO COMPRESSIVELY ENGAGE SAID BLADE.
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) | 1970-09-18 | 1971-03-20 | 1971-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-18 | 1975-03-20 | 1975-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-18 | 1979-03-20 | 1979-09-19 | $7700.00 | Window Closed / Lapsed |