US3244846A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hand switch for controlling dental drilling machine drive
Assignee: Siemens Reiniger Werke AG
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Filing: 1961-11-01
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Granted: 1966-04-05
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Expires: 1981-11-01
Abstract
No abstract record available.
Inventors
- 👤 Kopp Erich Hermann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:14
CPC Classifications
A; A61; A61C; A61C1/00; A61C1/0007; H; H01; H01H; H01H9/00; H01H9/02; H01H9/06; A61C1/0015; A61C1/003; H01H2300/00; H01H2300/014
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
A CONTROL STRUCTURE FOR DENTAL DRILLING MACHINE DRIVES, HAVING A DRILL HAND PIECE WHICH IS MOVABLY MOUNTED ON A MECHANICAL COUPLING PART FOR THE TRANSMISSION OF DRIVE ENERGY THERETO, COMPRISING AN ELECTRICAL SWITCH FOR OPEATIVELY CONTROLLING SUCH DRIVE ENERGY, SAID SWITCH HAVING A MOUNTING MEMBER CONSTRUCTED FOR OPERATIVE ATTACHMENT TO SUCH A COUPLING PART, AN ARM EXTENDING FROM SAID MOUNTING MEMBER IN FREELY SELF-SUPPORTING MANNER SUBSTANTIALLY PARALLEL TO THE LONGITUDINAL AXIS OF SUCH A DRILL HAND PIECE, AND A MANUALLY OPERABLE SWITCH ACTUATING MEMBER SUPPORTED BY SAID ARM AND EXTENDING FROM THE FREE END THEREOF, SAID SWITCH ACTUATING MEMBER BEING LONGITUDINALLY ADJUSTABLE RELATIVE TO SAID ARM.
Claim 2
Dependent Claim
106 words
A CONTROL STRUCTURE FOR DENTAL DRILLING MACHINE DRIVES, HAVING A DRILL HAND PIECE WHICH IS MOVABLY MOUNTED ON A MECHANICAL COUPLING PART FOR THE TRANSMISSION OF DRIVE ENERGY THERETO, COMPRISING AN ELECTRICAL SWITCH FOR OPEATIVELY CONTROLLING SUCH DRIVE ENERGY, SAID SWITCH HAVING A MOUNTING MEMBER CONSTRUCTED FOR OPERATIVE ATTACHMENT TO SUCH A COUPLING PART, AN ARM EXTENDING FROM SAID MOUNTING MEMBER IN FREELY SELF-SUPPORTING MANNER SUBSTANTIALLY PARALLEL TO THE LONGITUDINAL AXIS OF SUCH A DRILL HAND PIECE, AND A MANUALLY OPERABLE SWITCH ACTUATING MEMBER SUPPORTED BY SAID ARM AND EXTENDING FROM THE FREE END THEREOF, SAID SWITCH ACTUATING MEMBER BEING LONGITUDINALLY ADJUSTABLE RELATIVE TO SAID ARM.
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) | 1969-04-04 | 1969-10-04 | 1970-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-04 | 1973-10-04 | 1974-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-04 | 1977-10-04 | 1978-04-05 | $7700.00 | Window Closed / Lapsed |