US3401457A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Orthodontic anterior traction appliance
Assignee: JOHN H HICKHAM
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Filing: 1966-03-14
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Granted: 1968-09-17
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Expires: 1986-03-14
Abstract
No abstract record available.
Inventors
- 👤 John H Hickham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 22:33
CPC Classifications
A; A61; A61C; A61C7/00; A61C7/06; A61C7/065
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
155 words
AN ORTHODONTIC ANTERIOR TRACTION APPLIANCE INCLUDING A CUP FOR ENGAGING THE CHIN OF A PATIENT, A PAIR OF UPRIGHT RIGID ARMS UPSTANDING FROM THE CHIN CUP AND OF A LENGTH SUFFICIENT TO COINCIDE SUBSTANTIALLY WITH THE ELEVATION OF THE LOWER LIP OF THE PATIENT, ELASTIC MEANS EXTENDING BETWEEN AND HAVING CONNECTION WITH THE UPRIGHT ARMS AND BRACES ON THE TEETH OF THE PATIENT FOR URGING THE TEETH FORWARDLY OF THE MOUTH OF THE PATIENT, A PAIR OF SUBSTANTIALLY HORIZONTALLY RIGID ARMS EXTENDING REARWARDLY OF SAID CHIN CUP AND HAVING RIGID OPERATIVE CONNECTION THEREWITH, AND MEANS CONNECTED TO THE REAR PORTIONS OF THE SUBSTANTIALLY HORIZONTALLY ARMS FOR PREVENTING DOWNWARDLY MOVEMENT OF SAID REAR PORTIONS WHEREBY SAID SUBSTANTIALLY HORIZONTAL ARMS COACT WITH SAID UPRIGHT ARMS TO PROVIDE A RESULTANT VECTOR OF FORCE FOR HOLDING SAID CUP AGAINST DISPLACEMENT, SAID REAR PORTIONS OF THE SUBSTANTIALLY HORIZONTAL ARMS EXTEND UPWARDLY BEHIND THE MANDIBLE TO THE EARS OF THE PATIENT.
Claim 2
Dependent Claim
155 words
AN ORTHODONTIC ANTERIOR TRACTION APPLIANCE INCLUDING A CUP FOR ENGAGING THE CHIN OF A PATIENT, A PAIR OF UPRIGHT RIGID ARMS UPSTANDING FROM THE CHIN CUP AND OF A LENGTH SUFFICIENT TO COINCIDE SUBSTANTIALLY WITH THE ELEVATION OF THE LOWER LIP OF THE PATIENT, ELASTIC MEANS EXTENDING BETWEEN AND HAVING CONNECTION WITH THE UPRIGHT ARMS AND BRACES ON THE TEETH OF THE PATIENT FOR URGING THE TEETH FORWARDLY OF THE MOUTH OF THE PATIENT, A PAIR OF SUBSTANTIALLY HORIZONTALLY RIGID ARMS EXTENDING REARWARDLY OF SAID CHIN CUP AND HAVING RIGID OPERATIVE CONNECTION THEREWITH, AND MEANS CONNECTED TO THE REAR PORTIONS OF THE SUBSTANTIALLY HORIZONTALLY ARMS FOR PREVENTING DOWNWARDLY MOVEMENT OF SAID REAR PORTIONS WHEREBY SAID SUBSTANTIALLY HORIZONTAL ARMS COACT WITH SAID UPRIGHT ARMS TO PROVIDE A RESULTANT VECTOR OF FORCE FOR HOLDING SAID CUP AGAINST DISPLACEMENT, SAID REAR PORTIONS OF THE SUBSTANTIALLY HORIZONTAL ARMS EXTEND UPWARDLY BEHIND THE MANDIBLE TO THE EARS OF THE PATIENT.
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) | 1971-09-17 | 1972-03-18 | 1972-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-17 | 1976-03-18 | 1976-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-17 | 1980-03-18 | 1980-09-17 | $7700.00 | Window Closed / Lapsed |