Patent US3227121A successfully refreshed from Google Patents.
US3227121A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sewing machine needles and methods of forming the same
Assignee: Timken US LLC
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Filing: 1963-06-07
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Granted: 1966-01-04
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Expires: 1983-06-07
Abstract
No abstract record available.
Inventors
- 👤 Joseph T Speetjens
- 👤 Richard W Shepard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:01
CPC Classifications
B; B21; B21G; B21G1/00; B21G1/02; B21G1/04; D; D05; D05B; D05B85/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A NEEDLE PARTICULARLY ADAPTED FOR USE IN SEWING MACHINES AND LIKE MECHANISMS, SAID NEEDLE COMPRISING AN ELONGATED BLADE HAVING A POINT AT ONE END, A THREAD GROOVE EXTENDING LONGITUDINALLY OF SAID BLADE FROM SAID POINT, AN EYE IN SAID BLADE ADJACENT SAID POINT AND IN ALIGNMENT WITH SAID THREAD GROOVE, SAID BLADE WITH THE EXCEPTION OF SAID POINT AND SAID EYE BEING OF A CONSTANT CROSS SECTION, AND A SEPARATE ENLARGE SHANK TELESCOPED OVER SAID BLADE AT THE END THEREOF REMOTE FROM SAID POINT, SAID SHANK BEING FIXEDLY SECURED ON SAID BLADE WITH SAID GROOVE RECEIVING A PORTION OF SAID SHANK AND FORMING A MECHANICAL INTERLOCK THEREWITH.
Claim 2
Dependent Claim
107 words
A NEEDLE PARTICULARLY ADAPTED FOR USE IN SEWING MACHINES AND LIKE MECHANISMS, SAID NEEDLE COMPRISING AN ELONGATED BLADE HAVING A POINT AT ONE END, A THREAD GROOVE EXTENDING LONGITUDINALLY OF SAID BLADE FROM SAID POINT, AN EYE IN SAID BLADE ADJACENT SAID POINT AND IN ALIGNMENT WITH SAID THREAD GROOVE, SAID BLADE WITH THE EXCEPTION OF SAID POINT AND SAID EYE BEING OF A CONSTANT CROSS SECTION, AND A SEPARATE ENLARGE SHANK TELESCOPED OVER SAID BLADE AT THE END THEREOF REMOTE FROM SAID POINT, SAID SHANK BEING FIXEDLY SECURED ON SAID BLADE WITH SAID GROOVE RECEIVING A PORTION OF SAID SHANK AND FORMING A MECHANICAL INTERLOCK THEREWITH.
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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) | 1969-01-03 | 1969-07-05 | 1970-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-03 | 1973-07-05 | 1974-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-03 | 1977-07-05 | 1978-01-04 | $7700.00 | Window Closed / Lapsed |