US3220384A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatically restraining cattle gate stanchion
Assignee: Individual
•
Filing: 1964-04-24
•
Granted: 1965-11-30
•
Expires: 1984-04-24
Abstract
No abstract record available.
Inventors
- 👤 Robert A Trefz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:01
CPC Classifications
A; A01; A01K; A01K1/00; A01K1/06; A01K1/0613
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
38 words
A CATTLE GATE STRUCTURE IN CONNECTION WITH A RUNWAY COMPRISING A PAIR OF PARALLEL FENCES HAVING IN COMBINATION, A GATE FORMING A SIDE PORTION OF ONE OF SAID FENCES, A STANCHION IN OPERATIVE ASSOCIATION WITH SAID GATE, AND
References Cited (Backward Citations)
US193307A
Cited
US629675A
Cited
US902638A
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US2692577A
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US2773476A
Cited
US2787982A
Cited
US2861546A
Cited
US3152577A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-29 | 1969-05-31 | 1969-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-29 | 1973-05-31 | 1973-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-29 | 1977-05-31 | 1977-11-30 | $7700.00 | Window Closed / Lapsed |