Patent US3464114A successfully refreshed from Google Patents.
US3464114A
Expired / Lapsed
US
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Dental attachment with cooperating extension or socket
Assignee: Individual
•
Filing: 1967-09-21
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Granted: 1969-09-02
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Expires: 1987-09-21
Abstract
No abstract record available.
Inventors
- 👤 Allen C Brader
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:32
CPC Classifications
A; A61; A61C; A61C7/00; A61C7/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1240731A
Cited
US1369665A
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US2046414A
Cited
US2930126A
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US3128552A
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US3203098A
Cited
US3218714A
Cited
US3303565A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-01 | 1973-03-03 | 1973-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-01 | 1977-03-03 | 1977-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-01 | 1981-03-03 | 1981-09-02 | $7700.00 | Window Closed / Lapsed |