Patent US3263257A successfully refreshed from Google Patents.
US3263257A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Poultry house cleaner
Assignee: Individual
•
Filing: 1965-02-19
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Granted: 1966-08-02
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Expires: 1985-02-19
Abstract
No abstract record available.
Inventors
- 👤 Sr William M Stapleton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 03:54
CPC Classifications
A; A01; A01K; A01K31/00; A01K31/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
IN A DEVICE OF THE CHARACTER DESCRIBED FOR USE WITH A TOWING VEHICLE HAVING VERTICALLY MOVABLE DRAWBAR MEANS AND POWER TAKEOFF MEANS, THE COMBINATION INCLUDING A BODY SUPPORTED BY A PAIR OF GROUND-ENGAGING WHEELS, HITCH MEANS SECURED TO SAID BODY SPACED FORWARDLY FROM SAID WHEELS FOR DETACHABLE ENGAGEMENT WITH A DRAWBAR MEANS, LOADING CONVEYOR MEANS PROVIDED AT ITS LEADING EDGE WITH FORWARDLY DIRECTED SCRAPER MEANS FIXEDLY SECURED TO SAID BODY FORWARDLY OF SAID WHEELS, UNLOADER CONVEYOR MEANS, AND POWER TRANSMITTING MEANS, SAID POWER TRANSMITTING MEANS INCLUDING COUPLING MEANS FOR DETACHABLE ENGAGEMENT WITH SAID POWER TAKEOFF MEANS AND ALSO INCLUDING DIFFERENTIAL GEAR MEANS HAVING A PAIR
Claim 2
Dependent Claim
105 words
IN A DEVICE OF THE CHARACTER DESCRIBED FOR USE WITH A TOWING VEHICLE HAVING VERTICALLY MOVABLE DRAWBAR MEANS AND POWER TAKEOFF MEANS, THE COMBINATION INCLUDING A BODY SUPPORTED BY A PAIR OF GROUND-ENGAGING WHEELS, HITCH MEANS SECURED TO SAID BODY SPACED FORWARDLY FROM SAID WHEELS FOR DETACHABLE ENGAGEMENT WITH A DRAWBAR MEANS, LOADING CONVEYOR MEANS PROVIDED AT ITS LEADING EDGE WITH FORWARDLY DIRECTED SCRAPER MEANS FIXEDLY SECURED TO SAID BODY FORWARDLY OF SAID WHEELS, UNLOADER CONVEYOR MEANS, AND POWER TRANSMITTING MEANS, SAID POWER TRANSMITTING MEANS INCLUDING COUPLING MEANS FOR DETACHABLE ENGAGEMENT WITH SAID POWER TAKEOFF MEANS AND ALSO INCLUDING DIFFERENTIAL GEAR MEANS HAVING A PAIR
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) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |