US3247594A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Handle for endodontic instrument
Assignee: Individual
•
Filing: 1963-03-27
•
Granted: 1966-04-26
•
Expires: 1983-03-27
Abstract
No abstract record available.
Inventors
- 👤 David M Nosonowitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:11
CPC Classifications
A; A61; A61C; A61C5/00; A61C5/40; A61C5/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A HANDLE FOR AN ENDODONITIC INSTRUMENT COMPRISING A STRAIGHT BODY HAVING A FIRST PAIR OF OPPOSITELY DISPOSED SURFACES EACH OF WHICH IS CONCAVE IN BOTH THE LONGITUDINAL AND TRANSVERSE DIRECTIONS OF SAID BODY, AND A SECOND PAIR OF OPPOSITELY DISPOSED SURFACES EACH OS WHICH IS CONCAVE IN THE LONGITUDINAL DIRECTION OF SAID BODY AND CONVEX IN THE TRANSVERSE DIRECTION OF SAID BODY, EACH OF SAID PAIRS OF SURFACES BEING ADAPTED TO RECEIVE A PORTION OF THE VOLAR SURFACE OF THE TERMINAL PHALANGES OF A PAIR OF HUMAN FINGERS.
Claim 2
Dependent Claim
88 words
A HANDLE FOR AN ENDODONITIC INSTRUMENT COMPRISING A STRAIGHT BODY HAVING A FIRST PAIR OF OPPOSITELY DISPOSED SURFACES EACH OF WHICH IS CONCAVE IN BOTH THE LONGITUDINAL AND TRANSVERSE DIRECTIONS OF SAID BODY, AND A SECOND PAIR OF OPPOSITELY DISPOSED SURFACES EACH OS WHICH IS CONCAVE IN THE LONGITUDINAL DIRECTION OF SAID BODY AND CONVEX IN THE TRANSVERSE DIRECTION OF SAID BODY, EACH OF SAID PAIRS OF SURFACES BEING ADAPTED TO RECEIVE A PORTION OF THE VOLAR SURFACE OF THE TERMINAL PHALANGES OF A PAIR OF HUMAN FINGERS.
References Cited (Backward Citations)
FR434028A
Cited
US1402229A
Cited
US1527028A
Cited
US2219089A
Cited
US2158593A
Cited
US2520355A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-25 | 1969-10-25 | 1970-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-25 | 1973-10-25 | 1974-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-25 | 1977-10-25 | 1978-04-26 | $7700.00 | Window Closed / Lapsed |