Patent US3173277A successfully refreshed from Google Patents.
US3173277A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Knitting apparatus
Assignee: Draper Corp
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Filing: 1960-02-01
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Granted: 1965-03-16
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Expires: 1980-02-01
Abstract
No abstract record available.
Inventors
- 👤 Fregeolle Oscar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:41
CPC Classifications
D; D04; D04B; D04B9/00; D04B9/02; D04B15/00; D04B15/06; D04B15/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
IN A CIRCULAR, INDEPENDENT NEEDLE KNITTING MACHINE, A RECIPROCABLE NEEDLE CYLINDER, FIRST AND SECOND YARN FEEDING STATIONS ON OPPOISTE SIDES OF SAID CYLINDER, KNITTING CAM MEANS ON EITHER SIDE OF EACH FEEDING STATION, ONE EACH OF SAID CAM MEANS AT EITHER FEEDING STATION BEING ADAPTED TO FUNCTION IN ONE DIRECTION OF ROTATION OF SAID CYLINDER AND THE OTHER IN THE OPPOSITE DIRECTION, SAID NEEDE CYLINDER FURTHER BEING RECIPROCABLE TO AN EXTENT TO CAUSE ALL OF THE NEEDLES TO PASS THROUGH A GIVEN FEEDING STATION AT LEAST TWICE IN A SINGLE STROKE, A CENTER SINKER CAM AT EACH FEEDING STATION ADAPTED TO WITHDRAW SINKERS TO AN EXTREME POSITION AT THE MID-POINT THEREOF AND TO MOVE SAID SINKERS INWARDLY IN SEPARATE INCREMENTS AT EITHER SIDE THEREOF, AND FURTHER SINKER CAM IN OPPOSED RELATION TO EACH OTHER LOCATED SUBSTANTIALLY EQUIDISTANTLY BETWEEN SAID CENTER CAMS AND ADAPTED TO WITHDRAW SINKERS TO SAID EXTREME POSITION.
Claim 2
Dependent Claim
150 words
IN A CIRCULAR, INDEPENDENT NEEDLE KNITTING MACHINE, A RECIPROCABLE NEEDLE CYLINDER, FIRST AND SECOND YARN FEEDING STATIONS ON OPPOISTE SIDES OF SAID CYLINDER, KNITTING CAM MEANS ON EITHER SIDE OF EACH FEEDING STATION, ONE EACH OF SAID CAM MEANS AT EITHER FEEDING STATION BEING ADAPTED TO FUNCTION IN ONE DIRECTION OF ROTATION OF SAID CYLINDER AND THE OTHER IN THE OPPOSITE DIRECTION, SAID NEEDE CYLINDER FURTHER BEING RECIPROCABLE TO AN EXTENT TO CAUSE ALL OF THE NEEDLES TO PASS THROUGH A GIVEN FEEDING STATION AT LEAST TWICE IN A SINGLE STROKE, A CENTER SINKER CAM AT EACH FEEDING STATION ADAPTED TO WITHDRAW SINKERS TO AN EXTREME POSITION AT THE MID-POINT THEREOF AND TO MOVE SAID SINKERS INWARDLY IN SEPARATE INCREMENTS AT EITHER SIDE THEREOF, AND FURTHER SINKER CAM IN OPPOSED RELATION TO EACH OTHER LOCATED SUBSTANTIALLY EQUIDISTANTLY BETWEEN SAID CENTER CAMS AND ADAPTED TO WITHDRAW SINKERS TO SAID EXTREME POSITION.
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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) | 1968-03-15 | 1968-09-14 | 1969-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-15 | 1972-09-14 | 1973-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-15 | 1976-09-14 | 1977-03-16 | $7700.00 | Window Closed / Lapsed |