US3107428A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dental impression tray
Assignee: Individual
•
Filing: 1961-05-03
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Granted: 1963-10-22
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Expires: 1981-05-03
Abstract
No abstract record available.
Inventors
- 👤 Stephen T Freeman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:45
CPC Classifications
A; A61; A61C; A61C9/00; A61C9/0006
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
A DENTAL TRAY OF MAKING DENTAL IMPRESSIONS COMPRISING A CURVED TROUGH-SHAPED BODY DEFINED BY A CURVED BOTTOM WALL, A CURVED FRONT WALL, A CURVED REAR WALL, SPACED FROM THE FRONT WALL, AN ELONGATED HANDLE EXTENDING RADIALLY FROM THE FRONT WALL, SAID FRONT WALL HAVING MEANS FOR SUPPORTING A DIE ASSEMBLY, SAID FRONT AND REAR WALLS HAVING MEANS FOR RECEIVING PORTIONS OF AN ARTICULATOR STAND FOR SUPPORTING THE BODY, SAID FRONT WALL HAVING MEANS TO FACILITATE SEVERANCE OF A PORTION THEREOF.
Claim 2
Dependent Claim
80 words
A DENTAL TRAY OF MAKING DENTAL IMPRESSIONS COMPRISING A CURVED TROUGH-SHAPED BODY DEFINED BY A CURVED BOTTOM WALL, A CURVED FRONT WALL, A CURVED REAR WALL, SPACED FROM THE FRONT WALL, AN ELONGATED HANDLE EXTENDING RADIALLY FROM THE FRONT WALL, SAID FRONT WALL HAVING MEANS FOR SUPPORTING A DIE ASSEMBLY, SAID FRONT AND REAR WALLS HAVING MEANS FOR RECEIVING PORTIONS OF AN ARTICULATOR STAND FOR SUPPORTING THE BODY, SAID FRONT WALL HAVING MEANS TO FACILITATE SEVERANCE OF A PORTION THEREOF.
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) | 1966-10-21 | 1967-04-22 | 1967-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-21 | 1971-04-22 | 1971-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-21 | 1975-04-22 | 1975-10-22 | $7700.00 | Window Closed / Lapsed |