US3248167A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic dental burr holder
Assignee: Individual
•
Filing: 1965-01-26
•
Granted: 1966-04-26
•
Expires: 1985-01-26
Abstract
No abstract record available.
Inventors
- 👤 Friedman Mark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:09
CPC Classifications
A; A61; A61C; A61C3/00; A61C3/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A HOLDER FOR DENTAL BURRS AND THE LIKE COMPRISING A CONTAINER FOR STERILIZING LIQUID, A COVER HINGED TO ONE SIDE THEREOF, A MAGNETIZED BODY ON THE INNER FACE OF SAID COVER, AN INSULATING PLATE ON SAID BODY AND HAVING A FRONT FACE, A PLURALITY OF TRANSVERSE OPENINGS IN SAID PLATE TERMINATING ADJACENT TO SAID MAGNETIZED BODY, THE DEPTH OF SAID PLATE AND SAID OPENINGS BEING SUBSTANTIALLY LESS THAN THE LENGTH OF SAID BURRS, WHEREBY WHEN SAID COVER IS CLOSED THE BURRS WILL BE HELD IN SAID PLATE BY MAGNETIC FORCE AND THE TIPS OF SAID BURRS WILL DIP BELOW THE SURFACE OF SAID LIQUID.
Claim 2
Dependent Claim
104 words
A HOLDER FOR DENTAL BURRS AND THE LIKE COMPRISING A CONTAINER FOR STERILIZING LIQUID, A COVER HINGED TO ONE SIDE THEREOF, A MAGNETIZED BODY ON THE INNER FACE OF SAID COVER, AN INSULATING PLATE ON SAID BODY AND HAVING A FRONT FACE, A PLURALITY OF TRANSVERSE OPENINGS IN SAID PLATE TERMINATING ADJACENT TO SAID MAGNETIZED BODY, THE DEPTH OF SAID PLATE AND SAID OPENINGS BEING SUBSTANTIALLY LESS THAN THE LENGTH OF SAID BURRS, WHEREBY WHEN SAID COVER IS CLOSED THE BURRS WILL BE HELD IN SAID PLATE BY MAGNETIC FORCE AND THE TIPS OF SAID BURRS WILL DIP BELOW THE SURFACE OF SAID LIQUID.
References Cited (Backward Citations)
US1187364A
Cited
US3092443A
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 |