Patent US5090388A successfully refreshed from Google Patents.
US3359638A
Expired / Lapsed
US
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Dental foot control construction
Assignee: Weber Dental Manufacturing Co
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Filing: 1964-12-09
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Granted: 1967-12-26
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Expires: 1984-12-09
Abstract
No abstract record available.
Inventors
- 👤 John A Maurer
- 👤 Kenneth R Lappin
- 👤 Dean H Buchtel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:20
CPC Classifications
A; A61; A61C; A61C1/00; A61C1/0007; A61C1/0015; A61C1/0023; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87056; Y10T137/87064; Y10T74/00; Y10T74/20; Y10T74/20012; Y10T74/20189
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
213 words
DENTAL FOOT CONTROL CONSTRUCTION OF THE TYPE FOR REMOTELY CONTROLLING THE DRIVE OPERATION OF A DENTAL HANDPIECE HAVING AIR AND WATER COOLANT SPRAY DEVICES THEREON, INCLUDING A BASE, AN OPERATING ARM, MEANS MOUNTING THE OPERATING ARM ON THE BASE SELECTIVELY PIVOTAL BETWEEN A NORMAL NON-ACTUATING POSITION AND AT LEAST FIRST AND SECOND ACTUATING POSITIONS, DRIVE CONTROL MEANS MOUNTED ON THE BASE SELECTIVELY MOVABLE BETWEEN A NORMAL NON-OPERATING AND AN OPERATING POSITION OPERABLY CONNECTED TO THE DENTAL HANDPIECE FOR OPERATING THE DRIVE OF THE DENTAL HANDPIECE WHEN IN THE OPERATING POSITION, AIR COOLANT CONTROL MEANS MOUNTED ON THE BASE SELECTIVELY MOVABLE BETWEEN A NORMAL NON-OPERATING AND AN OPERATING POSITION OPERABLY CONNECTED TO THE DENTAL HANDPIECE AIR COOLANT SPRAY DEVICE FOR PROVIDING AN AIR COOLANT SPRAY FROM SAID SPRAY DEVICE WHEN IN OPERATING POSITION, WATER COOLANT CONTROL MEANS MOUNTED ON THE BASE SELECTIVELY MOVABLE BETWEEN A NORMAL NON-OPERATING AND ON OPERATING POSITION OPERABLY CONNECTED TO THE DENTAL HANDPIECE WATER COOLANT SPRAY DEVICE FOR PROVIDING WATER COOLANT FROM SAID SPRAY DEVICE WHEN IN OPERATING POSITION, ACTUATING MEANS OPERABLY CONNECTED TO THE OPERATING ARM CONSTRUCTED AND ARRANGED FREE OF MOVING ANY OF SAID CONTROL MEANS FROM NORMAL NON-OPERATING POSITION WHEN SAID OPERATING ARM IS IN THE NORMAL NON-ACTUATING POSITION, SAID ACTUATING MEANS BEING CONSTRUCTED AND ARRANGED FOR
References Cited (Backward Citations)
CH348610A
Cited
US3296698A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-25 | 1971-06-26 | 1971-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-25 | 1975-06-26 | 1975-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-25 | 1979-06-26 | 1979-12-26 | $7700.00 | Window Closed / Lapsed |