Patent US3276120A successfully refreshed from Google Patents.
US3276120A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surgical knives
Assignee: Individual
•
Filing: 1964-04-17
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Granted: 1966-10-04
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Expires: 1984-04-17
Abstract
No abstract record available.
Inventors
- 👤 Joseph W Scott
- 👤 Coons Bobbie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:20
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/32; A61B17/3209; A61B17/3211; A61B17/3213
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
183 words
A KNIFE COMPRISING A HANDLE, A BLADE REMOVABLY CONNECTED TO SAID HANDLE, SAID HANDLE OPENING ONLY IN A BLADE ENTERING DIRECTION AT ONE OF ITS ENDS AND INCLUDING A ONE-PIECE BLADE HOLDING PORTION ADJACENT SAID OPENING, SAID BLADE HOLDING PORTION HAVING A SUBSTANTIALLY SYMMETRICAL INNER SURFACE ENCLOSING A GENERALLY CONSTANT, HOLLOW CROSS SECTIONAL AREA SIZED AND SHAPED TO PROVIDE A SNUG CONNECTION BETWEEN SAID HANDLE SAID BLADE ADJACENT SAID OPENING, SAID INNER SURFACE HAVING OPPOSITE OUTWARDLY PROJECTING WALLS EXTENDING AWAY FROM SAID OPENING, SAID BLADE HAVING A CUTTING PORTION AND A STIFFLY FLEXIBLE SHANK PORTION, SAID SHANK PORTION HAVING A BEND BETWEEN SAID CUTTING PORTION AND THE DISTAL END OF SAID SHANK PORTION AND AN AXIAL LENGTH ALLOWING THE DISTAL END OF SAID SHANK PORTION TO ENGAGE EITHER OF ONE OF SAID OUTWARDLY PROJECTING WALLS FOR RETARDING A REMOVING ACTION OF SAID BLADE, SYMMETRICALLY SHAPED SHOULDERS ON SAID SHANK PORTION EXTENDING OUTWARDLY FROM SAID SHANK PORTION PAST THE LIMITS OF SAID REAR BOUNDED BY SAID INNER SURFACE ADJACENT SAID OPENING LIMITING THE MOVEMENT OF SAID SHANK PORTION FURTHER INTO SAID BLADE HOLDING PORTION.
Claim 2
Dependent Claim
183 words
A KNIFE COMPRISING A HANDLE, A BLADE REMOVABLY CONNECTED TO SAID HANDLE, SAID HANDLE OPENING ONLY IN A BLADE ENTERING DIRECTION AT ONE OF ITS ENDS AND INCLUDING A ONE-PIECE BLADE HOLDING PORTION ADJACENT SAID OPENING, SAID BLADE HOLDING PORTION HAVING A SUBSTANTIALLY SYMMETRICAL INNER SURFACE ENCLOSING A GENERALLY CONSTANT, HOLLOW CROSS SECTIONAL AREA SIZED AND SHAPED TO PROVIDE A SNUG CONNECTION BETWEEN SAID HANDLE SAID BLADE ADJACENT SAID OPENING, SAID INNER SURFACE HAVING OPPOSITE OUTWARDLY PROJECTING WALLS EXTENDING AWAY FROM SAID OPENING, SAID BLADE HAVING A CUTTING PORTION AND A STIFFLY FLEXIBLE SHANK PORTION, SAID SHANK PORTION HAVING A BEND BETWEEN SAID CUTTING PORTION AND THE DISTAL END OF SAID SHANK PORTION AND AN AXIAL LENGTH ALLOWING THE DISTAL END OF SAID SHANK PORTION TO ENGAGE EITHER OF ONE OF SAID OUTWARDLY PROJECTING WALLS FOR RETARDING A REMOVING ACTION OF SAID BLADE, SYMMETRICALLY SHAPED SHOULDERS ON SAID SHANK PORTION EXTENDING OUTWARDLY FROM SAID SHANK PORTION PAST THE LIMITS OF SAID REAR BOUNDED BY SAID INNER SURFACE ADJACENT SAID OPENING LIMITING THE MOVEMENT OF SAID SHANK PORTION FURTHER INTO SAID BLADE HOLDING PORTION.
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) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |