US3401688A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Skull tongs
Assignee: Research Corp
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Filing: 1966-05-20
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Granted: 1968-09-17
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Expires: 1986-05-20
Abstract
No abstract record available.
Inventors
- 👤 Crutchfield William Gayle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:43
CPC Classifications
A; A61; A61H; A61H1/00; A61H1/02; A61H1/0218; A61H2201/00; A61H2201/16; A61H2201/1602; A61H2201/1604; A61H2201/1607
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
218 words
SKULL TONGS COMPRISING A PAIR OF GENERALLY RIGID MEMBERS, EACH OF SAID MEMBERS INCLUDING A CENTER OR BODY PORTION AND INTEGRAL END PORTIONS, PIVOT MEANS INTERCONNECTING THE BODY PORTIONS OF THE RIGID MEMBERS IN A SCISSORS-LIKE PIVOTAL ARRANGEMENT, ONE OF THE END PORTIONS OF EACH MEMBER BEING CURVED IN RELATION TO THE CENTER PORTION SUCH THAT SAID ONE END PORTIONS LIE IN SPACED GENERALLY PARALLEL RELATIONSHIP DURING USE OF THE TONGS, MEANS ENGAGEABLE BY EACH OF SAID ONE END PORTIONS OF THE MEMBERS FOR PIVOTING THE MEMBERS ABOUT THE PIVOT MEANS TO URGE THE END PORTIONS TOWARD AND AWAY FROM EACH OTHER, A PAIR OF GENERALLY L-SHAPED SKULL PINS MOUNTING MEMBERS, PIVOT PINS MOUNTING EACH OF SAID L-SHAPED MEMBERS ON EACH OF THE OTHER ENDS OF EACH OF SAID MEMBERS ADJACENT THE APEX OF THE L-SHAPED MEMBERS, A PAIR OF SKULL PINS, EACH OF SAID SKULL PIN MOUNTING MEMBERS HAVING ONE OF THE SKULL PINS PROJECTING FROM ONE LEG OF EACH OF THE L-SHAPED MEMBERS WITH EACH OF SAID SKULL PINS POSITIONED GENERALLY PARALLEL WITH ITS LEG, AN ADJUSTMENT SCREW RECEIVED IN THE EXTENDED END OF EACH OF THE OTHER LEGS OF THE L-SHAPED MEMBERS AND ADAPTED TO BEAR AGAINST ITS RESPECTIVE RIGID MEMBER OF THE SKULL TONGS AND A TRACTION FORCE ATTACHING MEANS CONNECTED TO SAID TONGS.
Claim 2
Dependent Claim
218 words
SKULL TONGS COMPRISING A PAIR OF GENERALLY RIGID MEMBERS, EACH OF SAID MEMBERS INCLUDING A CENTER OR BODY PORTION AND INTEGRAL END PORTIONS, PIVOT MEANS INTERCONNECTING THE BODY PORTIONS OF THE RIGID MEMBERS IN A SCISSORS-LIKE PIVOTAL ARRANGEMENT, ONE OF THE END PORTIONS OF EACH MEMBER BEING CURVED IN RELATION TO THE CENTER PORTION SUCH THAT SAID ONE END PORTIONS LIE IN SPACED GENERALLY PARALLEL RELATIONSHIP DURING USE OF THE TONGS, MEANS ENGAGEABLE BY EACH OF SAID ONE END PORTIONS OF THE MEMBERS FOR PIVOTING THE MEMBERS ABOUT THE PIVOT MEANS TO URGE THE END PORTIONS TOWARD AND AWAY FROM EACH OTHER, A PAIR OF GENERALLY L-SHAPED SKULL PINS MOUNTING MEMBERS, PIVOT PINS MOUNTING EACH OF SAID L-SHAPED MEMBERS ON EACH OF THE OTHER ENDS OF EACH OF SAID MEMBERS ADJACENT THE APEX OF THE L-SHAPED MEMBERS, A PAIR OF SKULL PINS, EACH OF SAID SKULL PIN MOUNTING MEMBERS HAVING ONE OF THE SKULL PINS PROJECTING FROM ONE LEG OF EACH OF THE L-SHAPED MEMBERS WITH EACH OF SAID SKULL PINS POSITIONED GENERALLY PARALLEL WITH ITS LEG, AN ADJUSTMENT SCREW RECEIVED IN THE EXTENDED END OF EACH OF THE OTHER LEGS OF THE L-SHAPED MEMBERS AND ADAPTED TO BEAR AGAINST ITS RESPECTIVE RIGID MEMBER OF THE SKULL TONGS AND A TRACTION FORCE ATTACHING MEANS CONNECTED TO SAID TONGS.
References Cited (Backward Citations)
US2706475A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-17 | 1972-03-18 | 1972-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-17 | 1976-03-18 | 1976-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-17 | 1980-03-18 | 1980-09-17 | $7700.00 | Window Closed / Lapsed |