US3005756A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diluter containing carbon dioxide for preserving semen
Assignee: Individual
•
Filing: 1958-11-14
•
Granted: 1961-10-24
•
Expires: 1978-11-14
Abstract
No abstract record available.
Inventors
- 👤 Noland L Van Demark
- 👤 Glenn W Salisbury
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:47
CPC Classifications
A; A61; A61K; A61K35/00; A61K35/12; A61K35/48; A61K35/52
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
40 words
A DILUTER FOR PRESERVING SEMEN WHICH COMPRISES A BUFFERED AQUEOUS MEDIUM CONTAINING ADDED CARBON DIOXIDE AND HAVING A PH WITHIN THE RANGE OF FROM ABOVE 5.5 TO ABOUT 7.5 AND A BUFFERING AGENT TO MAINTAIN THE DILUTER WITHIN SAID RANGE.
Claim 2
Dependent Claim
40 words
A DILUTER FOR PRESERVING SEMEN WHICH COMPRISES A BUFFERED AQUEOUS MEDIUM CONTAINING ADDED CARBON DIOXIDE AND HAVING A PH WITHIN THE RANGE OF FROM ABOVE 5.5 TO ABOUT 7.5 AND A BUFFERING AGENT TO MAINTAIN THE DILUTER WITHIN SAID RANGE.
References Cited (Backward Citations)
US2598881A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-23 | 1965-04-24 | 1965-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-23 | 1969-04-24 | 1969-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-23 | 1973-04-24 | 1973-10-24 | $7700.00 | Window Closed / Lapsed |