Patent US3120845A successfully refreshed from Google Patents.
US3120845A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-powered surgical drill
Assignee: Individual
•
Filing: 1961-02-20
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Granted: 1964-02-11
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Expires: 1981-02-20
Abstract
No abstract record available.
Inventors
- 👤 David B Horner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:36
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/16; A61B17/1613; A61B17/1622; A61B17/1624; Y; Y10; Y10T; Y10T408/00; Y10T408/65; Y10T408/675; Y10T408/6771; Y10T408/6776
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
A POWER INSTRUMENT FOR SURGICAL USE AND ADAPTED TO BE AUTO-CLAVED AND EXPLOSION PROOF IN THE PRESENCE OF ANESTHETIC GASES, COMPRISING A VAPOR IMPERVIOUS HOLLOW FRAME, SAID FRAME HAVING A ROTATABLE SHAFT MOUNTED THEREIN, SAID FRAME HAVING AN ELECTRIC MOTOR MOUNTED THEREIN AND DRIVINGLY CONNECTED TO SAID SHAFT, SAID FRAME HAVING MEANS PROVIDING A HAND GRIP, BOTH ENDS OF SAID SHAFT PROJECTING FROM SAID HOUSING, ONE END HAVING TOOL DRIVING MEANS THEREON AND THE OTHER END HAVING MEANS FOR DRIVING ENGAGEMENT BY A MANUAL MEANS FOR MANUALLY ROTATING SAID SHAFT, SEALING MEANS BETWEEN BOTH ENDS OF SAID SHAFT AND SAID FRAME, SAID MEANS DRIVINGLY CONNECTING SAID MOTOR TO SAID SHAFT COMPRISING AN OVER-RIDING CLUTCH WHEREBY THE SHAFT MAY BE DRIVEN BY THE MANUAL MEANS WITHOUT ROTATING THE MOTOR.
Claim 2
Dependent Claim
128 words
A POWER INSTRUMENT FOR SURGICAL USE AND ADAPTED TO BE AUTO-CLAVED AND EXPLOSION PROOF IN THE PRESENCE OF ANESTHETIC GASES, COMPRISING A VAPOR IMPERVIOUS HOLLOW FRAME, SAID FRAME HAVING A ROTATABLE SHAFT MOUNTED THEREIN, SAID FRAME HAVING AN ELECTRIC MOTOR MOUNTED THEREIN AND DRIVINGLY CONNECTED TO SAID SHAFT, SAID FRAME HAVING MEANS PROVIDING A HAND GRIP, BOTH ENDS OF SAID SHAFT PROJECTING FROM SAID HOUSING, ONE END HAVING TOOL DRIVING MEANS THEREON AND THE OTHER END HAVING MEANS FOR DRIVING ENGAGEMENT BY A MANUAL MEANS FOR MANUALLY ROTATING SAID SHAFT, SEALING MEANS BETWEEN BOTH ENDS OF SAID SHAFT AND SAID FRAME, SAID MEANS DRIVINGLY CONNECTING SAID MOTOR TO SAID SHAFT COMPRISING AN OVER-RIDING CLUTCH WHEREBY THE SHAFT MAY BE DRIVEN BY THE MANUAL MEANS WITHOUT ROTATING THE MOTOR.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-02-10 | 1967-08-12 | 1968-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-10 | 1971-08-12 | 1972-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-10 | 1975-08-12 | 1976-02-11 | $7700.00 | Window Closed / Lapsed |