Patent US3237346A successfully refreshed from Google Patents.
← Back to Patent Explorer
US3237346A Expired / Lapsed US ⏱️ 0.0 years remaining

Applicator for liquids

Assignee: Imperial Chemical Industries Ltd
•
Filing: 1963-06-17
•
Granted: 1966-03-01
•
Expires: 1983-06-17
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Watts Robert

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 20:43
CPC Classifications
A; A01; A01M; A01M7/00; A01M7/005; A01M7/0064

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 221 words
AN APPLICATOR FOR THE APPLICATION OF LIQUID WEEDKILLER TO THE GROUND BETWEEN ADJACENT ROWS OF GROWING PLANTS COMPRISING: A DISTRIBUTOR FOR DISPENSING LIQUID WEEDKILLER TOWARD THE GROUND, SAID DISTRIBUTOR INCLUDING AT LEAST ONE PAIR OF TELESCOPING TUBES, SAID TUBES HAVING A PLURALITY OF DISCHARGE ORIFICES DIRECTED TOWARD THE GROUND; CONDUIT MEANS CONNECTED TO SAID DISTRIBUTOR AND TO A SOURCE OF LIQUID WEEDKILLER FOR CONVEYING WEEDKILLER TO SAID DISTRIBUTOR; A PAIR OF GROUND ENGAGING ELEMENTS FOR FACILITATING MOVEMENT OF THE DISTRIBUTOR OVER THE GROUND, EACH GROUND ENGAGING ELEMENT BEING SEPARATELY ATTACHED TO OPPOSITE ENDS OF A PAIR OF SAID TELESCOPING TUBES, SO AS TO PLACE SAID GROUND ENGAGING ELEMENTS AT OPPOSITE LATERAL ENDS OF THE DISTRIBUTOR; AND A PAIR OF ELONGATED ARMS FOR GUIDING SAID APPLICATOR AND FOR ADJUSTING THE WIDTH OF THE APPLICATOR, SAID PAIR OF ELONGATE ARMS HAVING FIRST END SEPARATELY CONNECTED TO SAID PAIR OF GROUND ENGAGING ELEMENTS, AND HAVING ENDS OPPOSIE SAID FIRST ENDS WHICH DEFINE HANDLES MOVABLE TOWARD AND AWAY FROM ONE ANOTHER, SAID PAIR OF ELONGATE ARMS BEING PIVOTALLY JOINED TO ONE ANOTHER INTERMEDIATE THE ENDS OF SAID PAIR OF ARMS, WHEREBY MOVEMENT OF SAID HANDLES TOWARD AND AWAY FROM ONE ANOTHER PIVOTS SAID ARMS ABOUT A PIVOT POINT SO AS TO REGULATE THE WIDTH OF THE APPLICATOR AND THE GROUND ENGAGING ELEMENTS OF SAID APPLICATOR.
Claim 2
Dependent Claim 221 words
AN APPLICATOR FOR THE APPLICATION OF LIQUID WEEDKILLER TO THE GROUND BETWEEN ADJACENT ROWS OF GROWING PLANTS COMPRISING: A DISTRIBUTOR FOR DISPENSING LIQUID WEEDKILLER TOWARD THE GROUND, SAID DISTRIBUTOR INCLUDING AT LEAST ONE PAIR OF TELESCOPING TUBES, SAID TUBES HAVING A PLURALITY OF DISCHARGE ORIFICES DIRECTED TOWARD THE GROUND; CONDUIT MEANS CONNECTED TO SAID DISTRIBUTOR AND TO A SOURCE OF LIQUID WEEDKILLER FOR CONVEYING WEEDKILLER TO SAID DISTRIBUTOR; A PAIR OF GROUND ENGAGING ELEMENTS FOR FACILITATING MOVEMENT OF THE DISTRIBUTOR OVER THE GROUND, EACH GROUND ENGAGING ELEMENT BEING SEPARATELY ATTACHED TO OPPOSITE ENDS OF A PAIR OF SAID TELESCOPING TUBES, SO AS TO PLACE SAID GROUND ENGAGING ELEMENTS AT OPPOSITE LATERAL ENDS OF THE DISTRIBUTOR; AND A PAIR OF ELONGATED ARMS FOR GUIDING SAID APPLICATOR AND FOR ADJUSTING THE WIDTH OF THE APPLICATOR, SAID PAIR OF ELONGATE ARMS HAVING FIRST END SEPARATELY CONNECTED TO SAID PAIR OF GROUND ENGAGING ELEMENTS, AND HAVING ENDS OPPOSIE SAID FIRST ENDS WHICH DEFINE HANDLES MOVABLE TOWARD AND AWAY FROM ONE ANOTHER, SAID PAIR OF ELONGATE ARMS BEING PIVOTALLY JOINED TO ONE ANOTHER INTERMEDIATE THE ENDS OF SAID PAIR OF ARMS, WHEREBY MOVEMENT OF SAID HANDLES TOWARD AND AWAY FROM ONE ANOTHER PIVOTS SAID ARMS ABOUT A PIVOT POINT SO AS TO REGULATE THE WIDTH OF THE APPLICATOR AND THE GROUND ENGAGING ELEMENTS OF SAID APPLICATOR.

References Cited (Backward Citations)

US378672A Cited
US381986A Cited
FR459155A Cited
US1188131A Cited
FR489066A Cited
DE331639C Cited
DE863864C Cited
GB584049A Cited
FR1001698A Cited
US2534367A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-02-28 1969-08-30 1970-03-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-02-28 1973-08-30 1974-03-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-02-28 1977-08-30 1978-03-01 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag