Patent US3237600A successfully refreshed from Google Patents.
US3237600A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Farrowing pen
Assignee: Individual
•
Filing: 1964-04-17
•
Granted: 1966-03-01
•
Expires: 1984-04-17
Abstract
No abstract record available.
Inventors
- 👤 Norman A Behrens
- 👤 Reinhard E Henke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:51
CPC Classifications
A; A01; A01K; A01K1/00; A01K1/02; A01K1/0218
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
197 words
IN A FARROWING DEVICE, A RECTANGULAR CONTAINER HAVING OPPOSITE UPRIGHT ENDS AND SIDE MEMBERS EXTENDING THEREBETWEEN, A FIRST DOOR ON ONE END OF SAID CONTAINER, A SECOND DOOR ON THE OTHER END OF SAID CONTAINER, A FIRST GATE HINGEDLY SECURED AT ONE OF ITS ENDS TO ONE END OF SAID CONTAINER ADJACENT ONE SIDE OF SAID FIRST DOOR, A SECOND GATE HINGEDLY SECURED AT ONE OF ITS ENDS TO ONE END OF SAID CONTAINER ADJACENT THE OTHER SIDE OF SAID FIRST DOOR, A THIRD GATE HINGEDLY SECURED AT ONE OF ITS ENDS TO THE OTHER END OF SAID CONTAINER ADJACENT ONE SIDE OF SAID SECOND DOOR, A FOURTH GATE HINGEDLY SECURED AT ONE OF ITS ENDS TO THE OTHER END OF SAID CONTAINER ADJACENT THE OTHER SIDE OF SAID SECOND DOOR, SAID FIRST AND THIRD GATES HAVING THEIR INNER ENDS EXTENDIG TOWARDS EACH OTHER AT TIMES, SAID SECOND AND FOURTH GATES HAVING THEIR INNER ENDS EXTENDING TOWARDS EACH OTHER AT TIMES, MEANS FOR DETACHABLY LOCKING SAID FIRST AND THIRD GATES IN VARIOUS POSITIONS OF SWINGING MOVEMENT AT TIMES, AND MEANS FOR DETACHABLY LOCKING SAID SECOND AND FOURTH GATES IN VARIOUS POSITIONS OF THEIR SWINGING MOVEMENT AT TIMES.
Claim 2
Dependent Claim
197 words
IN A FARROWING DEVICE, A RECTANGULAR CONTAINER HAVING OPPOSITE UPRIGHT ENDS AND SIDE MEMBERS EXTENDING THEREBETWEEN, A FIRST DOOR ON ONE END OF SAID CONTAINER, A SECOND DOOR ON THE OTHER END OF SAID CONTAINER, A FIRST GATE HINGEDLY SECURED AT ONE OF ITS ENDS TO ONE END OF SAID CONTAINER ADJACENT ONE SIDE OF SAID FIRST DOOR, A SECOND GATE HINGEDLY SECURED AT ONE OF ITS ENDS TO ONE END OF SAID CONTAINER ADJACENT THE OTHER SIDE OF SAID FIRST DOOR, A THIRD GATE HINGEDLY SECURED AT ONE OF ITS ENDS TO THE OTHER END OF SAID CONTAINER ADJACENT ONE SIDE OF SAID SECOND DOOR, A FOURTH GATE HINGEDLY SECURED AT ONE OF ITS ENDS TO THE OTHER END OF SAID CONTAINER ADJACENT THE OTHER SIDE OF SAID SECOND DOOR, SAID FIRST AND THIRD GATES HAVING THEIR INNER ENDS EXTENDIG TOWARDS EACH OTHER AT TIMES, SAID SECOND AND FOURTH GATES HAVING THEIR INNER ENDS EXTENDING TOWARDS EACH OTHER AT TIMES, MEANS FOR DETACHABLY LOCKING SAID FIRST AND THIRD GATES IN VARIOUS POSITIONS OF SWINGING MOVEMENT AT TIMES, AND MEANS FOR DETACHABLY LOCKING SAID SECOND AND FOURTH GATES IN VARIOUS POSITIONS OF THEIR SWINGING MOVEMENT AT TIMES.
References Cited (Backward Citations)
US2729196A
Cited
US3020882A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-28 | 1969-08-30 | 1970-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-28 | 1973-08-30 | 1974-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-28 | 1977-08-30 | 1978-03-01 | $7700.00 | Window Closed / Lapsed |