US3191871A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crop sprayers
Assignee: Golden Arrow Manufacturing Ltd
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Filing: 1962-05-16
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Granted: 1965-06-29
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Expires: 1982-05-16
Abstract
No abstract record available.
Inventors
- 👤 John E Palmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:19
CPC Classifications
A; A01; A01M; A01M7/00; A01M7/005; B; B05; B05B; B05B1/00; B05B1/14; B05B1/1421; B05B1/1422
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
113 words
IN A SPRAYING NOZZLE, A NOZZLE BODY HAVING AN UPPER PORTION PROVIDED WITH A SUBSTANTIALLY CYLINDRICAL CHAMBER AND A LOWER PORTION PROVIDED WITH A FLAT OUTER FACE DISPOSED AT AN ACUTE ANGLE TO THE AXIS OF SAID CHAMBER, SAID FACE BEING PROVIDED WITH AN OPEN-ENDED TRANSVERSELY EXTENDING GROOVE, A CYLINDRICAL ORIFICE EXTENDING AT RIGHT ANGLES TO SAID FACE FROM SAID CHAMBER INTO SAID GROOVE, AND AN ELONGATED OUTLET PROVIDED AT THE OUTER END OF SAID ORIFICE AND EXTENDING LONGITUDINALLY IN SAID GROOVE, SAID OUTLET HAVING A RELATIVELY WIDE INTERMEDIATE PORTION AND TAPERED END PORTIONS, SAID ORIFICE COMMUNICATING WITH THE WIDE INTERMEDIATE PORTION OF THE OUTLET, AND SAID GROOVE BEING SUBSTANTIALLY SEMI-CIRCULAR IN CROSS-SECTION.
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) | 1968-06-28 | 1968-12-28 | 1969-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-28 | 1972-12-28 | 1973-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-28 | 1976-12-28 | 1977-06-29 | $7700.00 | Window Closed / Lapsed |