US3903265A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of removing dead tissue from the uterus of dairy cows by means of hydrogen peroxide
Assignee: Individual
•
Filing: 1973-07-26
•
Granted: 1975-09-02
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Expires: 1993-07-26
Abstract
Abstract A dilute solution of hydrogen peroxide is infused into a cow''s uterus for the purpose of removing dead afterbirth tissue, thereby reducing the likelihood of a subsequent reproductive failure.
Inventors
- 👤 Gene F Meisch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:48
CPC Classifications
A; A61; A61K; A61K33/00; A61K33/40
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
92 words
A METHOD OF REMOVING PLACENTA FROM THE UTERUS OF A COW DURING A HEAT PERIOD COMPRISING THE STEP OF INTRODUCING A PEROXIDE SOLUTION OF SUFFICIENT STRENGTH AND AMOUNT INO THE UTERUS VIA THE COW''S GENITAL TRACT TO PRODUCE A LEVEL OF THE SOLUTION WITHIN THE UTERUS THAT A MAJOR NUMBER OF THE COTYLEDONS REMAINING ARE SUBMERGED, AND ALLOWING SAID SOLUTION TO REMAIN IN THE UTERUS UNTIL ENOUGH OF THE OTYLEDONS ARE LOOSENED OR DETACHED TO PERMIT EXPULSION OF AT LEAST ONE OF THE PLACENTA, AND THEN REMOVING AMAJOR PORTION OF THE SOLUTION.
Claim 2
Independent Claim
92 words
A METHOD OF REMOVING PLACENTA FROM THE UTERUS OF A COW DURING A HEAT PERIOD COMPRISING THE STEP OF INTRODUCING A PEROXIDE SOLUTION OF SUFFICIENT STRENGTH AND AMOUNT INO THE UTERUS VIA THE COW''S GENITAL TRACT TO PRODUCE A LEVEL OF THE SOLUTION WITHIN THE UTERUS THAT A MAJOR NUMBER OF THE COTYLEDONS REMAINING ARE SUBMERGED, AND ALLOWING SAID SOLUTION TO REMAIN IN THE UTERUS UNTIL ENOUGH OF THE OTYLEDONS ARE LOOSENED OR DETACHED TO PERMIT EXPULSION OF AT LEAST ONE OF THE PLACENTA, AND THEN REMOVING AMAJOR PORTION OF THE SOLUTION.
Claim 3
Dependent Claim
27 words
The method of claim 1 in which said solution is from two to three percent hydrogen peroxide by weight and said amount is approximately 8 fluid ounces.
Claim 4
Dependent Claim
25 words
The method of claim 2 including the additional step of assisting the expelling of placenta by gently massaging the uterus via the cow''s rectal tract.
Claim 5
Dependent Claim
27 words
The method of claim 1 in which said solution is introduced subsequent to a heat period in which insemination has failed to cause the cow to settle.
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) | 1978-09-01 | 1979-03-03 | 1979-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-09-01 | 1983-03-03 | 1983-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-09-01 | 1987-03-03 | 1987-09-02 | $7700.00 | Window Closed / Lapsed |