US3106176A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lock stitch zigzag sewing machine
Assignee: Singer Co
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Filing: 1961-05-12
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Granted: 1963-10-08
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Expires: 1981-05-12
Abstract
No abstract record available.
Inventors
- 👤 Ernest H Doerner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:54
CPC Classifications
D; D05; D05B; D05B57/00; D05B57/26; D05B57/265; D05B19/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
IN A LOCK STITCH SEWING MACHINE HAVING A THREAD CARRYING NEEDLE, MEANS FOR IMPARTING ENDWISE RECIPROCATION TO SAID NEEDLE, A LOOP TAKER, A BOBBIN JOURNALED RELATIVELY TO SAID LOOP TAKER, DRIVE ELEMENTS OPERATIVELY CONNECTING SAID LOOP TAKER AND SAID ENDWISE NEEDLE RECIPROCATING MEANS FOR MOTION IN TIMED RELATION AS IS REQUIRED FOR THE FORMATION OF LOCK STITCHES, ZIGZAG MECHANISM CARRIED IN SAID SEWING MACHINE FOR IMPARTING MOTION TO SAID NEEDLE LATERALLY OF THE PATH OF ENDWISE RECIPROCATORY MOTION OF SAID NEEDLE, MEANS DRIVEN BY SAID DRIVE ELEMENTS FOR ACTUATING SAID ZIGZAG MECHANISM, MEANS OPERATED BY SAID DRIVE ELEMENTS FOR WINDING A THREAD ON SAID BOBBIN JOURNALED IN SAID LOOP TAKER WHILE SAID ENDWISE NEEDLE RESIPROCATING MEANS AND SAID LOOP TAKER ARE OPERATIVELY CONNECTED BY SAID DRIVE ELEMENTS, CONTROL MEANS FOR INITIATING AND TERMINATING OPERATION OF SAID WINDING MEANS, AND MEANS OPERATED BY SAID CONTROL
Claim 2
Dependent Claim
144 words
IN A LOCK STITCH SEWING MACHINE HAVING A THREAD CARRYING NEEDLE, MEANS FOR IMPARTING ENDWISE RECIPROCATION TO SAID NEEDLE, A LOOP TAKER, A BOBBIN JOURNALED RELATIVELY TO SAID LOOP TAKER, DRIVE ELEMENTS OPERATIVELY CONNECTING SAID LOOP TAKER AND SAID ENDWISE NEEDLE RECIPROCATING MEANS FOR MOTION IN TIMED RELATION AS IS REQUIRED FOR THE FORMATION OF LOCK STITCHES, ZIGZAG MECHANISM CARRIED IN SAID SEWING MACHINE FOR IMPARTING MOTION TO SAID NEEDLE LATERALLY OF THE PATH OF ENDWISE RECIPROCATORY MOTION OF SAID NEEDLE, MEANS DRIVEN BY SAID DRIVE ELEMENTS FOR ACTUATING SAID ZIGZAG MECHANISM, MEANS OPERATED BY SAID DRIVE ELEMENTS FOR WINDING A THREAD ON SAID BOBBIN JOURNALED IN SAID LOOP TAKER WHILE SAID ENDWISE NEEDLE RESIPROCATING MEANS AND SAID LOOP TAKER ARE OPERATIVELY CONNECTED BY SAID DRIVE ELEMENTS, CONTROL MEANS FOR INITIATING AND TERMINATING OPERATION OF SAID WINDING MEANS, AND MEANS OPERATED BY SAID CONTROL
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) | 1966-10-07 | 1967-04-08 | 1967-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-07 | 1971-04-08 | 1971-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-07 | 1975-04-08 | 1975-10-08 | $7700.00 | Window Closed / Lapsed |