US2967802A
Expired / Lapsed
US
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Hydrated calcium phosphate gelantigen composition and method of preparing same
Assignee: DIAMOND LAB
•
Filing: 1957-12-02
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Granted: 1961-01-10
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Expires: 1977-12-02
Abstract
No abstract record available.
Inventors
- 👤 John P Towey
- 👤 Karl A Ratcliff
- 👤 William A Dorrance
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:59
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/0012; A61K9/0019; A61K9/0024; A61K39/00; A61K2039/555; A61K2039/55505
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
16 words
A MIXTURE OF AN ANTIGEN WITH A HYDRATED CALCIUM PHOSPHATE GEL, SAID GEL CONSISTING ESSENTIALLY OF
Claim 2
Dependent Claim
16 words
A MIXTURE OF AN ANTIGEN WITH A HYDRATED CALCIUM PHOSPHATE GEL, SAID GEL CONSISTING ESSENTIALLY OF
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) | 1964-01-10 | 1964-07-11 | 1965-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-10 | 1968-07-11 | 1969-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-10 | 1972-07-11 | 1973-01-10 | $7700.00 | Window Closed / Lapsed |