US3823071A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Prostatic acid phosphatase determination
Assignee: COOPERBIOMEDICAL Inc 3145 PORTER DRIVE PALO ALTO CA 94304 A CORP OF
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Filing: 1970-12-21
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Granted: 1974-07-09
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Expires: 1990-12-21
Abstract
Abstract SODIUM AND OTHER ALKALI METAL SALTS AND ALKALINE EARTH METAL SALTS OF THYMOLPHTHALEIN MONOPHOSPHATE ARE DISCLOSED AS SUBSTRATES WHICH EXHIBIT A HIGH ORDER OF SPECIFICITY IN THE QUANTITATIVE DETECTION OF PROSTATIC ACID PHOSPHATASE.
Inventors
- 👤 A Roy
- 👤 M Brower
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:18
CPC Classifications
C; C12; C12Q; C12Q1/00; C12Q1/34; C12Q1/42; C12Q2334/00; C12Q2334/40
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) | 1977-07-08 | 1978-01-07 | 1978-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-07-08 | 1982-01-07 | 1982-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-07-08 | 1986-01-07 | 1986-07-09 | $7700.00 | Window Closed / Lapsed |