US3143985A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ornamental seam devices for sewing machines
Assignee: GM Pfaff AG
•
Filing: 1959-03-18
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Granted: 1964-08-11
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Expires: 1979-03-18
Abstract
No abstract record available.
Inventors
- 👤 Reeber Rudolf
- 👤 Wenz Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:08
CPC Classifications
D; D05; D05B; D05B19/00; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2101; Y10T74/2102
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
AN ORNAMENTAL STITCH SEWING DEVICE FOR A SEWING MACHINE, COMPRISING, IN COMBINATION, STATIONARY SUPPORTING MEANS, A DRIVE SHAFT ROTATABLE RELATIVE TO SAID SUPPORTING MEANS AND A PLURALITY OF CAMS MOUNTED ON SAID DRIVE SHAFT, A SPRING BIASED ROCKER ARM HAVING A PIVOT SUPPORT ON SAID SUPPORTING MEANS, A PLURALITY OF CAM FOLLOWERS EACH HAVING A FREE END AND A FOLLOWER PORTION MOVABLE INTO ENGAGEMENT WITH ONE OF SAID CAMS AND EACH HAVING A PIVOT JOINT WITH SAID ROCKER ARM FOR MOVEMENT INDE-
Claim 2
Dependent Claim
82 words
AN ORNAMENTAL STITCH SEWING DEVICE FOR A SEWING MACHINE, COMPRISING, IN COMBINATION, STATIONARY SUPPORTING MEANS, A DRIVE SHAFT ROTATABLE RELATIVE TO SAID SUPPORTING MEANS AND A PLURALITY OF CAMS MOUNTED ON SAID DRIVE SHAFT, A SPRING BIASED ROCKER ARM HAVING A PIVOT SUPPORT ON SAID SUPPORTING MEANS, A PLURALITY OF CAM FOLLOWERS EACH HAVING A FREE END AND A FOLLOWER PORTION MOVABLE INTO ENGAGEMENT WITH ONE OF SAID CAMS AND EACH HAVING A PIVOT JOINT WITH SAID ROCKER ARM FOR MOVEMENT INDE-
References Cited (Backward Citations)
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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) | 1967-08-11 | 1968-02-10 | 1968-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-11 | 1972-02-10 | 1972-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-11 | 1976-02-10 | 1976-08-11 | $7700.00 | Window Closed / Lapsed |