US3308828A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Craniotomy instrument
Assignee: Individual
•
Filing: 1963-08-08
•
Granted: 1967-03-14
•
Expires: 1983-08-08
Abstract
No abstract record available.
Inventors
- 👤 Calvin C Pippin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:24
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/16; A61B17/1695; Y; Y10; Y10T; Y10T83/00; Y10T83/869; Y10T83/8821; Y10T83/8841; Y10T83/8843
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
A SURGICAL INSTRUMENT COMPRISING A DRIVE SHAFT, MEANS FOR ROTATING SAID DRIVE SHAFT, A CAM MEANS MOUNTED ON AND AT AN ANGLE TO SAID SHAFT, A WOBBLE PLATE MEANS ROTATIVELY MOUNTED ON SAID CAM MEANS, CONNECTOR MEANS, A HOUSING, SAID CONNECTOR MEANS SLIDABLY AND ROTATIVELY MOUNTED WITHIN SAID HOUSING IN OPERATIVE RELATION TO SAID PLATE MEANS BY MEANS OF A UNIVERSAL JOINT AND A CUTTING MEANS FIXEDLY MOUNTED AXIALLY ON SAID CONNECTOR MEANS WHEREBY WHEN SAID SHAFT IS ROTATED, SAID CAM WILL ROTATE RELATIVE TO SAID PLATE TO RECIPROCATE SAID CUTTING MEANS AXIALLY OF THE HOUSING UNTIL A RESISTANCE TO RECIPROCATION IS APPLIED WHEREUPON SAID PLATE WILL ROTATE IN RELATIVE FIXED RELATION TO SAID CAM TO ROTATE SAID CUTTING MEANS.
Claim 2
Dependent Claim
120 words
A SURGICAL INSTRUMENT COMPRISING A DRIVE SHAFT, MEANS FOR ROTATING SAID DRIVE SHAFT, A CAM MEANS MOUNTED ON AND AT AN ANGLE TO SAID SHAFT, A WOBBLE PLATE MEANS ROTATIVELY MOUNTED ON SAID CAM MEANS, CONNECTOR MEANS, A HOUSING, SAID CONNECTOR MEANS SLIDABLY AND ROTATIVELY MOUNTED WITHIN SAID HOUSING IN OPERATIVE RELATION TO SAID PLATE MEANS BY MEANS OF A UNIVERSAL JOINT AND A CUTTING MEANS FIXEDLY MOUNTED AXIALLY ON SAID CONNECTOR MEANS WHEREBY WHEN SAID SHAFT IS ROTATED, SAID CAM WILL ROTATE RELATIVE TO SAID PLATE TO RECIPROCATE SAID CUTTING MEANS AXIALLY OF THE HOUSING UNTIL A RESISTANCE TO RECIPROCATION IS APPLIED WHEREUPON SAID PLATE WILL ROTATE IN RELATIVE FIXED RELATION TO SAID CAM TO ROTATE SAID CUTTING MEANS.
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) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |