Patent US3304897A successfully refreshed from Google Patents.
US3304897A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sewing machine having thread trimming device mounted thereon
Assignee: Individual
•
Filing: 1964-12-03
•
Granted: 1967-02-21
•
Expires: 1984-12-03
Abstract
No abstract record available.
Inventors
- 👤 Rubin Julius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:24
CPC Classifications
D; D05; D05B; D05B65/00; D05B65/006
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
A SEWING MACHINE HAVING A NEEDLE PLATE INCLUDING A CHAINING FINGER HAVING ITS LONGITUDINAL AXIS EXTENDING PARALLEL TO THE PATH OF TRAVEL OF MATERIAL THROUGH SAID SEWING MACHINE, A FEED DOG, A PRESSER ARM, AND A THREADTRIMMING DEVICE, MEANS CONNECTING SAID THREAD TRIMMING DEVICE TO SAID PRESSER ARM, SAID THREAD TRIMMING DEVICE BEING POSITIONED ABOVE THE NEEDLE PLATE OF SAID MACHINE AND SAID THREAD-TRIMMING DEVICE INCLUDING A SUCTION TUBE WHICH HAS THE INLET END THEREOF DISPOSED AT SUBSTANTIALLY A RIGHT ANGLE WITH RESPECT TO THE LONGITUDINAL AXIS OF SAID CHAINING FINGER AND IN CLOSELY SPACED RELATIONSHIP WITH SAID CHAINING FINGER.
Claim 2
Dependent Claim
100 words
A SEWING MACHINE HAVING A NEEDLE PLATE INCLUDING A CHAINING FINGER HAVING ITS LONGITUDINAL AXIS EXTENDING PARALLEL TO THE PATH OF TRAVEL OF MATERIAL THROUGH SAID SEWING MACHINE, A FEED DOG, A PRESSER ARM, AND A THREADTRIMMING DEVICE, MEANS CONNECTING SAID THREAD TRIMMING DEVICE TO SAID PRESSER ARM, SAID THREAD TRIMMING DEVICE BEING POSITIONED ABOVE THE NEEDLE PLATE OF SAID MACHINE AND SAID THREAD-TRIMMING DEVICE INCLUDING A SUCTION TUBE WHICH HAS THE INLET END THEREOF DISPOSED AT SUBSTANTIALLY A RIGHT ANGLE WITH RESPECT TO THE LONGITUDINAL AXIS OF SAID CHAINING FINGER AND IN CLOSELY SPACED RELATIONSHIP WITH SAID CHAINING FINGER.
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) | 1970-02-20 | 1970-08-22 | 1971-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-20 | 1974-08-22 | 1975-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-20 | 1978-08-22 | 1979-02-21 | $7700.00 | Window Closed / Lapsed |