Patent US3481772A successfully refreshed from Google Patents.
US3481772A
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Structure for dental prosthesis
Assignee: JOHN S MACNAIRN
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Filing: 1965-10-04
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Granted: 1969-12-02
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Expires: 1985-10-04
Abstract
No abstract record available.
Inventors
- 👤 John S Macnairn
- 👤 Raymond E La Brecque
- 👤 Samuel A Nehra
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:20
CPC Classifications
C; C03; C03C; C03C3/00; C03C3/04; C03C3/076; C03C3/102; C03C3/108; A; A61; A61C; A61C5/00; A61C5/70; A61C5/77; A61K; A61K6/00; A61K6/20; A61K6/80; A61K6/831; A61K6/836; A61K6/84; C03C3/062; C03C3/07; C03C3/072; C03C4/00; C03C4/0007; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/24521; Y10T428/24545; Y10T428/31504; Y10T428/31678
Claims Analysis
Total Claims: 0
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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) | 1972-12-01 | 1973-06-02 | 1973-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-01 | 1977-06-02 | 1977-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-01 | 1981-06-02 | 1981-12-02 | $7700.00 | Window Closed / Lapsed |