US3204591A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatic work controlling devices for sewing machines
Assignee: Singer Co
•
Filing: 1963-02-25
•
Granted: 1965-09-07
•
Expires: 1983-02-25
Abstract
No abstract record available.
Inventors
- 👤 Charles G Pickett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:07
CPC Classifications
D; D05; D05B; D05B35/00; D05B35/10; D05B33/00; D05B33/02; D05B35/02; D05B41/00; D05B65/00; D05D; D05D2207/00; D05D2207/02; D05D2207/04; D05D2305/00; D05D2305/02; D05D2305/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
IN A WORK GUIDING DEVICE FOR A SEWING MACHINE OR THE LIKE HAVING A WORK SUPPORTING SURFACE AND A WORK EDGE GUIDING SURFACE ASSOCIATED THEREWITH, SAID WORK EDGE GUIDING SURFACE EXTENDING LONGITUDINALLY OF THE DIRECTION OF TRAVEL OF WORK THROUGH THE WORK GUIDING DEVICE, AN AIR CONDUIT ASSOCIATED WITH SAID WORK GUIDING DEVICE, AND MEANS SUPPORTING SAID AIR CONDUIT RELATIVELY TO SAID WORK GUIDING DEVICE FOR DELIVERING AIR UNDER PRESSURE OBLIQUELY AGAINST SAID WORK SUPPORTING SURFACE AT A POINT SPACED FROM SAID WORK EDGE GUIDING SURFACE AND LATERALLY OF THE DIRECTION OF TRAVEL OF WORK THROUGH THE WORK GUIDING DEVICE TOWARD SAID WORK EDGE GUIDING SURFACE THEREOF FOR BODILY URGING THE WORK FABRIC EDGE CONTIGUOUS TO SAID WORK EDGE GUIDING SURFACE.
Claim 2
Dependent Claim
121 words
IN A WORK GUIDING DEVICE FOR A SEWING MACHINE OR THE LIKE HAVING A WORK SUPPORTING SURFACE AND A WORK EDGE GUIDING SURFACE ASSOCIATED THEREWITH, SAID WORK EDGE GUIDING SURFACE EXTENDING LONGITUDINALLY OF THE DIRECTION OF TRAVEL OF WORK THROUGH THE WORK GUIDING DEVICE, AN AIR CONDUIT ASSOCIATED WITH SAID WORK GUIDING DEVICE, AND MEANS SUPPORTING SAID AIR CONDUIT RELATIVELY TO SAID WORK GUIDING DEVICE FOR DELIVERING AIR UNDER PRESSURE OBLIQUELY AGAINST SAID WORK SUPPORTING SURFACE AT A POINT SPACED FROM SAID WORK EDGE GUIDING SURFACE AND LATERALLY OF THE DIRECTION OF TRAVEL OF WORK THROUGH THE WORK GUIDING DEVICE TOWARD SAID WORK EDGE GUIDING SURFACE THEREOF FOR BODILY URGING THE WORK FABRIC EDGE CONTIGUOUS TO SAID WORK EDGE GUIDING SURFACE.
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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) | 1968-09-06 | 1969-03-08 | 1969-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-06 | 1973-03-08 | 1973-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-06 | 1977-03-08 | 1977-09-07 | $7700.00 | Window Closed / Lapsed |