US3308537A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Amalgam carrier and plugger
Assignee: Individual
•
Filing: 1963-08-27
•
Granted: 1967-03-14
•
Expires: 1983-08-27
Abstract
No abstract record available.
Inventors
- 👤 Novales Ricardo Faustino
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:11
CPC Classifications
B; B05; B05C; B05C17/00; B05C17/005; B05C17/00593; A; A61; A61C; A61C5/00; A61C5/60; A61C5/62; B05C17/00503; B05C17/00516
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
IN A DENTAL INSTRUMENT INCLUDING A HOLLOW HANDLE HAVING A FORWARDLY EXTENDING NOZZLE TERMINATING IN A DISCHARGE OPENING, A SLEEVE SLIDABLE INTO AND OUT OF SAID NOZZLE OPENING BETWEEN A NORMAL POSITION WHOLLY WITHIN SAID NOZZLE TO A POSITION PARTIALLY PROJECTED FROM SAID NOZZLE, SAID SLEEVE HAVING A CLOSED FORWARD END WITH AN APERTURE THEREIN, A PIN FIXEDLY CARRIED BY SAID NOZZLE AND DISPOSED SO AS TO PROJECT AND TO EXTEND BEYOND THE END OF THE NOZZLE OF SAID SLEEVE WHEN SAID SLEEVE IS IN THE WITHIN POSITION AND SO AS TO BE SUBSTANTIALLY TOTALLY WITH SAID SLEEVE WHEN SAID SLEEVE IS IN THE PARTIALLY PROJECTED POSITION, SAID SLEEVE HAVING A LENGTHWISE SLOT MEANS FOR SAID PIN TO EXTEND THROUGH THE SLOT MEANS AND THUS ANCHORING THE PIN TO THE NOZZLE, AND HAND ACTUABLE MEANS OPERATIVELY CONNECTED TO SAID BARREL FOR EFFECTING THE MOVEMENT OF SAID SLEEVE.
Claim 2
Dependent Claim
147 words
IN A DENTAL INSTRUMENT INCLUDING A HOLLOW HANDLE HAVING A FORWARDLY EXTENDING NOZZLE TERMINATING IN A DISCHARGE OPENING, A SLEEVE SLIDABLE INTO AND OUT OF SAID NOZZLE OPENING BETWEEN A NORMAL POSITION WHOLLY WITHIN SAID NOZZLE TO A POSITION PARTIALLY PROJECTED FROM SAID NOZZLE, SAID SLEEVE HAVING A CLOSED FORWARD END WITH AN APERTURE THEREIN, A PIN FIXEDLY CARRIED BY SAID NOZZLE AND DISPOSED SO AS TO PROJECT AND TO EXTEND BEYOND THE END OF THE NOZZLE OF SAID SLEEVE WHEN SAID SLEEVE IS IN THE WITHIN POSITION AND SO AS TO BE SUBSTANTIALLY TOTALLY WITH SAID SLEEVE WHEN SAID SLEEVE IS IN THE PARTIALLY PROJECTED POSITION, SAID SLEEVE HAVING A LENGTHWISE SLOT MEANS FOR SAID PIN TO EXTEND THROUGH THE SLOT MEANS AND THUS ANCHORING THE PIN TO THE NOZZLE, AND HAND ACTUABLE MEANS OPERATIVELY CONNECTED TO SAID BARREL FOR EFFECTING THE MOVEMENT OF SAID SLEEVE.
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) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |