Patent US3187779A successfully refreshed from Google Patents.
US3187779A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable height pile cutting apparatus in axminster looms
Assignee: James Lees and Sons Co
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Filing: 1962-12-20
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Granted: 1965-06-08
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Expires: 1982-12-20
Abstract
No abstract record available.
Inventors
- 👤 Harry J Smiley
- 👤 Maurice W Worth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:34
CPC Classifications
D; D03; D03D; D03D39/00; D03D39/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
IN AN AXMINSTER PILE FABRIC LOOM HAVING A DIPPING SPOOL MOTION AND A PAIR OF KNIVES FOR SHEARING PILE TUFT LEGS, THE SUBCOMBINATION WHICH COMPRISES CYCLICALLY CONTROLLED MECHANISM FOR VARYING THE EXTENT OF SPOOL MOTION DIP IN ACCORDANCE WITH A PATTERN, MEANS INCLUDING A CAM FOR CONTROLLING SAID MECHANISM, AND MEANS FOR CYCLICALLY PRESENTING SHORT AND LONG TUFT LEGS TO SAID KNIVES IN ACCORDANCE WITH AND IN TIMED RELATION TO THE MEANS FOR VARYING THE DIP OF THE SPOOL MOTION.
Claim 2
Dependent Claim
80 words
IN AN AXMINSTER PILE FABRIC LOOM HAVING A DIPPING SPOOL MOTION AND A PAIR OF KNIVES FOR SHEARING PILE TUFT LEGS, THE SUBCOMBINATION WHICH COMPRISES CYCLICALLY CONTROLLED MECHANISM FOR VARYING THE EXTENT OF SPOOL MOTION DIP IN ACCORDANCE WITH A PATTERN, MEANS INCLUDING A CAM FOR CONTROLLING SAID MECHANISM, AND MEANS FOR CYCLICALLY PRESENTING SHORT AND LONG TUFT LEGS TO SAID KNIVES IN ACCORDANCE WITH AND IN TIMED RELATION TO THE MEANS FOR VARYING THE DIP OF THE SPOOL MOTION.
References Cited (Backward Citations)
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Cited
US2745442A
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US2918944A
Cited
US3027919A
Cited
US2946350A
Cited
US3077906A
Cited
US3060974A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-07 | 1968-12-07 | 1969-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-07 | 1972-12-07 | 1973-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-07 | 1976-12-07 | 1977-06-08 | $7700.00 | Window Closed / Lapsed |