US3331344A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined reversible lower feed and needle feed for sewing machines
Assignee: Union Special Machine Co
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Filing: 1964-10-21
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Granted: 1967-07-18
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Expires: 1984-10-21
Abstract
No abstract record available.
Inventors
- 👤 John R Haugan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:23
CPC Classifications
D; D05; D05B; D05B27/00; D05B27/02; D05B27/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
IN COMBINATION WITH A LOCKSTITCH SEWING MACHINE HAVING BOTH A FEED-DOG WITH A FOUR-MOTION LOWER FEED MECHANISM AND A NEEDLE FEED MECHANISM, SAID FOURMOTION LOWER FEED MECHANISM INCLUDING FEED LIFTING MEANS AND HORIZONTAL FEED STROKE MEANS, MEANS FOR SHIFTING THE TIMING OF THE FEED LIFT MEANS THROUGH 180* RELATIVE TO THE HORIZONTAL FEED STROKE FOR REVERSING THE DIRECTION OF FEED STROKE OF THE FEED-DOG, MEANS FOR NULLIFYING THE FEED OF THE NEEDLE AND A SINGLE MEANS FOR ACTUATING SAID REVERSING MEANS AND FOR NULLIFYING THE FEED OF THE NEEDLE.
Claim 2
Dependent Claim
89 words
IN COMBINATION WITH A LOCKSTITCH SEWING MACHINE HAVING BOTH A FEED-DOG WITH A FOUR-MOTION LOWER FEED MECHANISM AND A NEEDLE FEED MECHANISM, SAID FOURMOTION LOWER FEED MECHANISM INCLUDING FEED LIFTING MEANS AND HORIZONTAL FEED STROKE MEANS, MEANS FOR SHIFTING THE TIMING OF THE FEED LIFT MEANS THROUGH 180* RELATIVE TO THE HORIZONTAL FEED STROKE FOR REVERSING THE DIRECTION OF FEED STROKE OF THE FEED-DOG, MEANS FOR NULLIFYING THE FEED OF THE NEEDLE AND A SINGLE MEANS FOR ACTUATING SAID REVERSING MEANS AND FOR NULLIFYING THE FEED OF THE NEEDLE.
References Cited (Backward Citations)
US2305556A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-17 | 1971-01-16 | 1971-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-17 | 1975-01-16 | 1975-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-17 | 1979-01-16 | 1979-07-18 | $7700.00 | Window Closed / Lapsed |