US2688593A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for guiding filaments
Assignee: AT&T Inc
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Filing: 1951-11-30
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Granted: 1954-09-07
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Expires: 1971-11-30
Abstract
No abstract record available.
Inventors
- 👤 Oscar G Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:51
CPC Classifications
C; C25; C25D; C25D7/00; C25D7/06; C25D7/0607
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
281 words
A FILAMENT-PROCESSING APPARATUS, WHICH COMPRISES AN OPEN PROCESSING TANK, A SECOND OPEN PROCESSING TANK POSITIONED IN SIDE-BY-SIDE RELATIONSHIP WITH THE FIRST-METHIONED TANK, A ROLLER HAVING GROUPS OF CIRCUMFERENTIAL GROOVES SPACED THEREALONG DISPOSED HORIZONTALLY AT A PREDETERMINED LEVEL AT THE EXIT END OF THE FIRST-MENTIONED TANK FOR GUIDING A PLURALITY OF FILAMENTS FROM THE TANK, A SECOND ROLLER HAVING A GROUP OF CIRCUMFERENTIAL GROOVES SPACED THEREALONG THE SAME AS THE SPACING OF ONE OF SAID GROUP S OF GROOVES IN THE FIRST-MENTIONED ROLLER AND DISPOSED HORIZONTALLY AT A PREDETERMINED LEVEL DIFFERENT FROM THE LEVEL OF THE FIRST-MENTIONED ROLLER FOR DEFLECTING A GROUP OF FILAMENTS TRAVELLING IN THE LAST MENTINED GROUP OF GROOVES TO A PREDETERMINED PLANE A GROUP OF SHEAVES MOUNTED IN THE LASTMENTIONED PLANE ALONG A DIAGONAL WITH RESPECT TO THE LAST-MENTIONED ROLLER FOR GUIDING THROUGH A RIGHT ANGLE FILAMENTS FROM THE LAST-MENTIONED ROLLER, A SECOND GROUP OF SHEAVES MOUNTED IN A PLANE AT THE LEVEL AT WHICH A SECOND GROUP OF WIRES LEAVE THE FIRST-MENTIONED ROLLER ALONG A DIAGONAL WITH RESPECT TO THE FIRST-MENTIONED ROLLER FOR GUIDING THE SECOND GROUP OF FILAMENTS THROUGH A RIGHT ANGLE AT A LEVEL DIFFERENT FROM THE LEVEL OF THE WIRES OF THE FIRST-MENTIONED GROUP, A GROUP OF SHEAVES MOUNTED AT THE SAME LEVEL AS THE FIRST-MENTIONED GROUP OF SHEAVES ALONG A DIAGONAL WITH RESPECT TO THE SECOND TANK AND OPPOSED TO THE DIAGONAL OF THE SHEAVES OF THE FIRST-MENTIONED GROUP, A THIRD ROLLER HAVING GROOVES THEREIN MOUNTED BETWEEN THE THIRD-MENTIONED GROUP OF SHEAVES AND THE SECOND-MENTIONED TANK FOR RECEIVING THE FILAMENTS FROM THE THIRD-MENTIONED GROUP OF SHEAVES AT THE SAME LEVEL AS THE THIRD-MENTIONED GROUP OF SHEAVES, A FOURTH ROLLER HAVING GROOVES THEREIN POSITIONED
Claim 2
Dependent Claim
281 words
A FILAMENT-PROCESSING APPARATUS, WHICH COMPRISES AN OPEN PROCESSING TANK, A SECOND OPEN PROCESSING TANK POSITIONED IN SIDE-BY-SIDE RELATIONSHIP WITH THE FIRST-METHIONED TANK, A ROLLER HAVING GROUPS OF CIRCUMFERENTIAL GROOVES SPACED THEREALONG DISPOSED HORIZONTALLY AT A PREDETERMINED LEVEL AT THE EXIT END OF THE FIRST-MENTIONED TANK FOR GUIDING A PLURALITY OF FILAMENTS FROM THE TANK, A SECOND ROLLER HAVING A GROUP OF CIRCUMFERENTIAL GROOVES SPACED THEREALONG THE SAME AS THE SPACING OF ONE OF SAID GROUP S OF GROOVES IN THE FIRST-MENTIONED ROLLER AND DISPOSED HORIZONTALLY AT A PREDETERMINED LEVEL DIFFERENT FROM THE LEVEL OF THE FIRST-MENTIONED ROLLER FOR DEFLECTING A GROUP OF FILAMENTS TRAVELLING IN THE LAST MENTINED GROUP OF GROOVES TO A PREDETERMINED PLANE A GROUP OF SHEAVES MOUNTED IN THE LASTMENTIONED PLANE ALONG A DIAGONAL WITH RESPECT TO THE LAST-MENTIONED ROLLER FOR GUIDING THROUGH A RIGHT ANGLE FILAMENTS FROM THE LAST-MENTIONED ROLLER, A SECOND GROUP OF SHEAVES MOUNTED IN A PLANE AT THE LEVEL AT WHICH A SECOND GROUP OF WIRES LEAVE THE FIRST-MENTIONED ROLLER ALONG A DIAGONAL WITH RESPECT TO THE FIRST-MENTIONED ROLLER FOR GUIDING THE SECOND GROUP OF FILAMENTS THROUGH A RIGHT ANGLE AT A LEVEL DIFFERENT FROM THE LEVEL OF THE WIRES OF THE FIRST-MENTIONED GROUP, A GROUP OF SHEAVES MOUNTED AT THE SAME LEVEL AS THE FIRST-MENTIONED GROUP OF SHEAVES ALONG A DIAGONAL WITH RESPECT TO THE SECOND TANK AND OPPOSED TO THE DIAGONAL OF THE SHEAVES OF THE FIRST-MENTIONED GROUP, A THIRD ROLLER HAVING GROOVES THEREIN MOUNTED BETWEEN THE THIRD-MENTIONED GROUP OF SHEAVES AND THE SECOND-MENTIONED TANK FOR RECEIVING THE FILAMENTS FROM THE THIRD-MENTIONED GROUP OF SHEAVES AT THE SAME LEVEL AS THE THIRD-MENTIONED GROUP OF SHEAVES, A FOURTH ROLLER HAVING GROOVES THEREIN POSITIONED
References Cited (Backward Citations)
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Cited
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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) | 1957-09-06 | 1958-03-08 | 1958-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-06 | 1962-03-08 | 1962-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-06 | 1966-03-08 | 1966-09-07 | $7700.00 | Window Closed / Lapsed |