US3306242A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Buttonhole mechanisms for zigzag sewing machines
Assignee: Singer Co
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Filing: 1964-07-17
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Granted: 1967-02-28
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Expires: 1984-07-17
Abstract
No abstract record available.
Inventors
- 👤 Szostak Jan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:12
CPC Classifications
D; D05; D05B; D05B19/00; D05B3/00; D05B3/06; D05B3/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
A BUTTONHOLING DEVICE IN A SEWING MACHINE HAVING A FRAME, AN ENDWISE RECIPROCATING AND LATERALLY JOGGING NEEDLE AND A WORK FEEDING DEVICE CARRIED IN SAID FRAME, ACTUATING MECHANISM IN SAID FRAME FOR OPERATING SAID NEEDLE AND SAID WORK FEEDING DEVICE, A FIRST SHIFTABLE REGULATOR IN SAID FRAME OPERATIVELY CONNECTED TO SAID NEEDLE ACTUATING MECHANISM FOR CONTROLLING THE LATERAL POSITION OF NEEDLE JOGGING, AND A SECOND SHIFTABLE REGULATOR IN SAID FRAME OPERATIVELY CONNECTED TO SAID WORK
Claim 2
Dependent Claim
75 words
A BUTTONHOLING DEVICE IN A SEWING MACHINE HAVING A FRAME, AN ENDWISE RECIPROCATING AND LATERALLY JOGGING NEEDLE AND A WORK FEEDING DEVICE CARRIED IN SAID FRAME, ACTUATING MECHANISM IN SAID FRAME FOR OPERATING SAID NEEDLE AND SAID WORK FEEDING DEVICE, A FIRST SHIFTABLE REGULATOR IN SAID FRAME OPERATIVELY CONNECTED TO SAID NEEDLE ACTUATING MECHANISM FOR CONTROLLING THE LATERAL POSITION OF NEEDLE JOGGING, AND A SECOND SHIFTABLE REGULATOR IN SAID FRAME OPERATIVELY CONNECTED TO SAID WORK
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |