Patent US3387369A successfully refreshed from Google Patents.
US3387369A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dental articulator
Assignee: CALIFORNIA LUTHERAN COLLEGE CENTRUM
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Filing: 1966-02-10
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Granted: 1968-06-11
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Expires: 1986-02-10
Abstract
No abstract record available.
Inventors
- 👤 Kenneth H Swanson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:17
CPC Classifications
A; A61; A61C; A61C11/00; A61C11/02; A61C11/022
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
IN A DENTAL ARTICULATOR HAVING SEPARABLE UPPER AND LOWER FRAMES WITH CONDYLE POSTS MOUNTED ON THE LOWER FRAME AND HAVING SHAPED ENDS FOR ENGAGING DOWNWARDLY FACING OPEN SOCKETS MOUNTED ON THE UPPER FRAME TO FORM THE PIVOTAL JUNCTURE BETWEEN THE FRAMES, THE IMPROVEMENT COMPRISING; EACH SAID POST HAVING AN OFFSET PORTION SUPPORTING SAID SHAPED END FORMING A REARWARDLY OPEN AREA BENEATH SAID SHAPED END, AND EACH SAID OPEN SOCKET HAVING A REAR WALL MEANS NORMALLY DEPENDING ADJACENT SAID SHAPED END TO LIMIT FORWARD MOVEMENT OF SAID UPPER FRAME AND FITTING UNDER SAID SHAPED END IN OPEN POSITIONS OF SAID UPPER FRAME THEREBY PERMITTING GREATER THAN 90* OPENING PIVOTING OF SAID UPPER FRAME.
Claim 2
Dependent Claim
112 words
IN A DENTAL ARTICULATOR HAVING SEPARABLE UPPER AND LOWER FRAMES WITH CONDYLE POSTS MOUNTED ON THE LOWER FRAME AND HAVING SHAPED ENDS FOR ENGAGING DOWNWARDLY FACING OPEN SOCKETS MOUNTED ON THE UPPER FRAME TO FORM THE PIVOTAL JUNCTURE BETWEEN THE FRAMES, THE IMPROVEMENT COMPRISING; EACH SAID POST HAVING AN OFFSET PORTION SUPPORTING SAID SHAPED END FORMING A REARWARDLY OPEN AREA BENEATH SAID SHAPED END, AND EACH SAID OPEN SOCKET HAVING A REAR WALL MEANS NORMALLY DEPENDING ADJACENT SAID SHAPED END TO LIMIT FORWARD MOVEMENT OF SAID UPPER FRAME AND FITTING UNDER SAID SHAPED END IN OPEN POSITIONS OF SAID UPPER FRAME THEREBY PERMITTING GREATER THAN 90* OPENING PIVOTING OF SAID UPPER FRAME.
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) | 1971-06-11 | 1971-12-11 | 1972-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-11 | 1975-12-11 | 1976-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-11 | 1979-12-11 | 1980-06-11 | $7700.00 | Window Closed / Lapsed |