US3609867A
Expired / Lapsed
US
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Plastic bone composition
Assignee: Research Corp
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Filing: 1969-03-10
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Granted: 1971-10-05
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Expires: 1989-03-10
Abstract
Abstract A composition comprising as its basic ingredients a mixture of grated anorganic bone and an acrylic polymer, such as polymethacrylate, for use as dental implants, as well as for implants in other parts of the body, and as a coating for metals which may be implanted in the human body for dental purposes, orthopedic protheses, neurosurgery and others.
Inventors
- 👤 Milton Hodosh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:05
CPC Classifications
A; A61; A61C; A61C8/00; A61C8/0012; A61C8/0018; A61C8/0028; A61L; A61L27/00; A61L27/40; A61L27/44; A61L27/446; A61L27/46
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-10-04 | 1975-04-05 | 1975-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-10-04 | 1979-04-05 | 1979-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-10-04 | 1983-04-05 | 1983-10-05 | $7700.00 | Window Closed / Lapsed |