Patent US2817758A successfully refreshed from Google Patents.
Patent US2681331A successfully refreshed from Google Patents.
US3076431A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and device for detecting period of heat in cows
Assignee: KAMAR Inc
•
Filing: 1960-02-08
•
Granted: 1963-02-05
•
Expires: 1980-02-08
Abstract
No abstract record available.
Inventors
- 👤 Wilbur E Rule
- 👤 Earl D Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:25
CPC Classifications
A; A61; A61D; A61D17/00; A61D17/002
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
THE METHOD FOR SORTING COWS TO FACILITATE THE ARTIFICIAL INSEMINATION THEREOF WHICH COMPRISES DETECTING WHEN A COW IS IN HEAT BY KEEPING A PLURALITY OF COWS TOGETHER, PLACING ON EACH COW IN A POSITION TO RENDER IT OPERATIVE DURING THE MOUNTING OF THE COW BY ANOTHER A DEVICE FOR INITIATING TIMING OF THE DURATION OF THE PERIOD OF MOUNTING, AND UPON CONTINUOUS MOUNTING OF ONE COW BY ANOTHER FOR A PERIOD OF TIME EXCEEDING ABOUT THREE SECONDS MARKING THE MOUNTED COW.
Claim 2
Independent Claim
81 words
THE METHOD FOR SORTING COWS TO FACILITATE THE ARTIFICIAL INSEMINATION THEREOF WHICH COMPRISES DETECTING WHEN A COW IS IN HEAT BY KEEPING A PLURALITY OF COWS TOGETHER, PLACING ON EACH COW IN A POSITION TO RENDER IT OPERATIVE DURING THE MOUNTING OF THE COW BY ANOTHER A DEVICE FOR INITIATING TIMING OF THE DURATION OF THE PERIOD OF MOUNTING, AND UPON CONTINUOUS MOUNTING OF ONE COW BY ANOTHER FOR A PERIOD OF TIME EXCEEDING ABOUT THREE SECONDS MARKING THE MOUNTED COW.
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) | 1966-02-04 | 1966-08-06 | 1967-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-04 | 1970-08-06 | 1971-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-04 | 1974-08-06 | 1975-02-05 | $7700.00 | Window Closed / Lapsed |