Patent US3148663A successfully refreshed from Google Patents.
US3148663A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Farrowing layout
Assignee: Individual
•
Filing: 1963-03-04
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Granted: 1964-09-15
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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 22:55
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
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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 |