US3331346A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sewing machine switching device
Assignee: Aberdeen Manufacturing Corp
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Filing: 1964-10-15
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Granted: 1967-07-18
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Expires: 1984-10-15
Abstract
No abstract record available.
Inventors
- 👤 Firestein Harry
- 👤 Tyas Karl
- 👤 Freeman Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:38
CPC Classifications
D; D05; D05B; D05B69/00; D05B69/30; Y; Y10; Y10S; Y10S200/00; Y10S200/11
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
IN COMBINATION WITH AN ELECTRIACALLY DRIVEN SEWING MACHINE INCLUDING MEANS FOR ADVANCING A WORKPIECE ALONG A PREDETERMINED HORIZONTAL PATH PAST A SEWING NEDDLE, A STARTING SWITCH COMPRISING A BASE PLATE, A MICRO-SWITCH MOUNTED ON SAID BASE PLATE, A PIVOTALLY MOUNTED SWITCH ARM FOR OPERATING SAID MICRO-SWITCH, MEANS PIVOTALLY MOUNTED ON SAID BASE PLATE AND HAVING A PORTION EXTENDING INTO THE PATH OF MOVEMENT OF THE WORKPIECE FOR ENGAGING SAID SWITCH ARM TO OPERATE SAID MICRO-SWITCH WHEN A WORKPIECE IS POSITIONED ON SAID SEWING MACHINE PATH, SAID SWITCH ARM ENGAGING MEANS COMPRISING A PLATE HAVING A VERTICAL PORTION ENGAGING SAID SWITCH ARM AND A HORIZONTAL PORTION EXTENDING OVER SAID SEWING MACHINE IN SPACED RELATION THERETO, SAID HORIZONTAL PORTION BEING ENGAGEABLE BY THE WORKPIECE, AND ADJUSTABLE MEANS EXTENDING THROUGH SAID SWITCH ARM ENGAGING MEANS AND INTO SAID BASE PLATE TO ADJUSTABLY LIMIT THE PIVOTAL MOVEMENT OF SAID SWITCH ARM ENGAGING MEANS.
Claim 2
Dependent Claim
149 words
IN COMBINATION WITH AN ELECTRIACALLY DRIVEN SEWING MACHINE INCLUDING MEANS FOR ADVANCING A WORKPIECE ALONG A PREDETERMINED HORIZONTAL PATH PAST A SEWING NEDDLE, A STARTING SWITCH COMPRISING A BASE PLATE, A MICRO-SWITCH MOUNTED ON SAID BASE PLATE, A PIVOTALLY MOUNTED SWITCH ARM FOR OPERATING SAID MICRO-SWITCH, MEANS PIVOTALLY MOUNTED ON SAID BASE PLATE AND HAVING A PORTION EXTENDING INTO THE PATH OF MOVEMENT OF THE WORKPIECE FOR ENGAGING SAID SWITCH ARM TO OPERATE SAID MICRO-SWITCH WHEN A WORKPIECE IS POSITIONED ON SAID SEWING MACHINE PATH, SAID SWITCH ARM ENGAGING MEANS COMPRISING A PLATE HAVING A VERTICAL PORTION ENGAGING SAID SWITCH ARM AND A HORIZONTAL PORTION EXTENDING OVER SAID SEWING MACHINE IN SPACED RELATION THERETO, SAID HORIZONTAL PORTION BEING ENGAGEABLE BY THE WORKPIECE, AND ADJUSTABLE MEANS EXTENDING THROUGH SAID SWITCH ARM ENGAGING MEANS AND INTO SAID BASE PLATE TO ADJUSTABLY LIMIT THE PIVOTAL MOVEMENT OF SAID SWITCH ARM ENGAGING MEANS.
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) | 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 |