US3148663A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Farrowing layout
Assignee: Individual
•
Filing: 1963-03-04
•
Granted: 1964-09-15
•
Expires: 1983-03-04
Abstract
No abstract record available.
Inventors
- 👤 William J Conover
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:24
CPC Classifications
A; A01; A01K; A01K1/00; A01K1/02; A01K1/0218
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
IN A LIVESTOCK FARROWING LAYOUT: A PEN HAVING A ROOF AND A SUBSTANTIALLY CIRCULAR UPSTANDING WALL WITH A PASSAGE FORMED THEREIN; A FLOOR FOR SAID PEN, SAID FLOOR SLOPED DOWNWARDLY FROM ITS PERIPHERY TOWARD THE CENTER THEREOF; A PLURALITY OF PARTITIONS SUPPORTED ON SAID FLOOR AND FORMING A PLURALITY OF STALLS IN SAID PEN; A SUBSTANTIALLY ANNULAR SANITATION TROUGH FORMED IN SAID
Claim 2
Dependent Claim
62 words
IN A LIVESTOCK FARROWING LAYOUT: A PEN HAVING A ROOF AND A SUBSTANTIALLY CIRCULAR UPSTANDING WALL WITH A PASSAGE FORMED THEREIN; A FLOOR FOR SAID PEN, SAID FLOOR SLOPED DOWNWARDLY FROM ITS PERIPHERY TOWARD THE CENTER THEREOF; A PLURALITY OF PARTITIONS SUPPORTED ON SAID FLOOR AND FORMING A PLURALITY OF STALLS IN SAID PEN; A SUBSTANTIALLY ANNULAR SANITATION TROUGH FORMED IN SAID
References Cited (Backward Citations)
US2735400A
Cited
US2222680A
Cited
US2704051A
Cited
DE1078945B
Cited
US2835223A
Cited
US2883076A
Cited
US3042000A
Cited
US3021025A
Cited
US3021819A
Cited
US3097625A
Cited
US3095855A
Cited
US3097627A
Cited
US3108571A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-15 | 1968-03-16 | 1968-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-15 | 1972-03-16 | 1972-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-15 | 1976-03-16 | 1976-09-15 | $7700.00 | Window Closed / Lapsed |