Patent US2598881A successfully refreshed from Google Patents.
US2598881A
Expired / Lapsed
US
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Whole fresh egg semen diluter
Assignee: Ortho Pharmaceutical Corp
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Filing: 1951-05-12
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Granted: 1952-06-03
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Expires: 1971-05-12
Abstract
No abstract record available.
Inventors
- 👤 Victor R Berliner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:44
CPC Classifications
A; A61; A61K; A61K35/00; A61K35/12; A61K35/48; A61K35/52
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
A SEMEN DILUTER FREE FROM SPERMICIDAL AND MOTILITY REDUCING SUBSTANCES COMPRISING A FILTERED AND STERILIZED UNIFORM DISPERSION OF WHOLE FRESH EGG IN AN AQUEOUS SOLUTION, BUFFERED AT A PH WITHIN THE RANGE OF FROM 6.2 TO 7.2.
Claim 2
Dependent Claim
37 words
A SEMEN DILUTER FREE FROM SPERMICIDAL AND MOTILITY REDUCING SUBSTANCES COMPRISING A FILTERED AND STERILIZED UNIFORM DISPERSION OF WHOLE FRESH EGG IN AN AQUEOUS SOLUTION, BUFFERED AT A PH WITHIN THE RANGE OF FROM 6.2 TO 7.2.
References Cited (Backward Citations)
GB477272A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-03 | 1955-12-03 | 1956-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-03 | 1959-12-03 | 1960-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-03 | 1963-12-03 | 1964-06-03 | $7700.00 | Window Closed / Lapsed |