Method of manufacture of curved tip staples
Abstract
Abstract IN ACCORDANCE WITH THE PRESENT DISCLOSURE AN ELONGATED PIECE OF WIRE, OF APPROPRIATE GAUGE, IS SEVERED DIAGONALLY AT PREDETERMINED SPACED POINTS. EACH WIRE LENGTH THUS FORMED IS THEN BENT INTO STAPLE FORM WHEREBY TO PROVIDE A STAPLE THE TINES OF WHICH TAPER IN OPPOSITE DIRECTION. THE STAPLE TINES ARE THEN RESHAPED INTO SYMMETRICAL FORM, BY SUITABLY SHAPED DIES, AND IN CONNECTION WITH THIS RESHAPING OPERATION A PREDETERMINED CURVED SHAPE MAY BE IMPARTED TO THE TINE ENDS, WHEREBY TO PROVIDE A STAPLE STRUCTURE HAVING SIMILARLY FORMED SYMMETRICAL TINES, THE ENDS OF WHICH HAVE A PREDETERMINED CURVED SMOOTH SHAPEING. BARBS OR THE LIKE MAY ALSO BE SIMULTANEOUSLY FORMED ON THE STAPLE TINES.
Inventors
- 👤 Charles O Larson
Bibliographic Details
Claims Analysis
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| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-19 | 1975-03-21 | 1975-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-19 | 1979-03-21 | 1979-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-19 | 1983-03-21 | 1983-09-20 | $7700.00 | Window Closed / Lapsed |