US3081724A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Zig-zag sewing machine
Assignee: Necchi SpA
•
Filing: 1960-03-08
•
Granted: 1963-03-19
•
Expires: 1980-03-08
Abstract
No abstract record available.
Inventors
- 👤 Bono Luigi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:07
CPC Classifications
D; D05; D05B; D05B19/00; D05B27/00; D05B27/22; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1503; Y10T74/1508; Y10T74/1518; Y10T74/1523
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
172 words
A SEWING MACHINE COMPRISING A FRAME, A FIRST SHAFT MOUNTED IN SAID FRAME, MEANS FOR CONTINOUSLY ROTATING SAID FIRST SHAFT, A NEEDLE BAR MOUNTED FOR TRANSVERSE DISPLACEMENT IN SAID FRAME, A SECOND SHAFT ROTATABLY MOUNTED IN SAID FRAME, A CAM STACK FIXED TO SAID SECOND SHAFT, MEANS INCLUDING SAID CAM STACK CONTROLLING THE TRANSVERSE DISPLACEMENTS OF SAID NEEDLE BAR, A THIRD SHAFT MOUNTED IN SAID FRAME, MEANS FOR DRIVING SAID THIRD SHAFT UNIDIRECTIONALLY WITH INTERMITTENT STEPS, MEANS FOR ADJUSTING THE AMPLITUDE OF THE INTERMITTENT STEPS OF SAID THIRD SHAFT, MEANS FOR SELECTIVELY CONNECTING SAID SECOND SHAFT WITH SAID FIRST SHAFT AND SAID THIRD SHAFT, SAID LAST NAMED MEANS COMPRISING A FIRST GEAR ROTATABLY MOUNTED ON SAID SECOND SHAFT CONSTANTLY DRIVEN BY SAID FIRST SHAFT, A SECOND GEAR ROTATIVELY MOUNTED ON SAID SECOND SHAFT CONSTANTLY DRIVEN BY SAID THIRD SHAFT, A SLIDABLE SLEEVE MOUNTED SLIDABLY AND NON-ROTATIVELY ON SAID SECOND SHAFT BETWEEN SAID GEARS HAVING MEANS FOR ENGAGING SELECTIVELY SAID FIRST AND SECOND GEARS, A PAIR OF SPACED COLLARS UPON SAID SLEEVE, A
Claim 2
Dependent Claim
172 words
A SEWING MACHINE COMPRISING A FRAME, A FIRST SHAFT MOUNTED IN SAID FRAME, MEANS FOR CONTINOUSLY ROTATING SAID FIRST SHAFT, A NEEDLE BAR MOUNTED FOR TRANSVERSE DISPLACEMENT IN SAID FRAME, A SECOND SHAFT ROTATABLY MOUNTED IN SAID FRAME, A CAM STACK FIXED TO SAID SECOND SHAFT, MEANS INCLUDING SAID CAM STACK CONTROLLING THE TRANSVERSE DISPLACEMENTS OF SAID NEEDLE BAR, A THIRD SHAFT MOUNTED IN SAID FRAME, MEANS FOR DRIVING SAID THIRD SHAFT UNIDIRECTIONALLY WITH INTERMITTENT STEPS, MEANS FOR ADJUSTING THE AMPLITUDE OF THE INTERMITTENT STEPS OF SAID THIRD SHAFT, MEANS FOR SELECTIVELY CONNECTING SAID SECOND SHAFT WITH SAID FIRST SHAFT AND SAID THIRD SHAFT, SAID LAST NAMED MEANS COMPRISING A FIRST GEAR ROTATABLY MOUNTED ON SAID SECOND SHAFT CONSTANTLY DRIVEN BY SAID FIRST SHAFT, A SECOND GEAR ROTATIVELY MOUNTED ON SAID SECOND SHAFT CONSTANTLY DRIVEN BY SAID THIRD SHAFT, A SLIDABLE SLEEVE MOUNTED SLIDABLY AND NON-ROTATIVELY ON SAID SECOND SHAFT BETWEEN SAID GEARS HAVING MEANS FOR ENGAGING SELECTIVELY SAID FIRST AND SECOND GEARS, A PAIR OF SPACED COLLARS UPON SAID SLEEVE, A
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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) | 1966-03-18 | 1966-09-17 | 1967-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-18 | 1970-09-17 | 1971-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-18 | 1974-09-17 | 1975-03-19 | $7700.00 | Window Closed / Lapsed |