← Back to Patent Explorer
US3233641A Expired / Lapsed US ⏱️ 0.0 years remaining

Liquid-dispensing nozzle

Assignee: Individual
•
Filing: 1964-01-13
•
Granted: 1966-02-08
•
Expires: 1984-01-13
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Ehlers Karlheinz

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 08:17
CPC Classifications
B; B67; B67D; B67D7/00; B67D7/06; B67D7/42; B67D7/44; B67D7/46; B67D7/48; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49428; Y10T29/49432; Y10T29/49433

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 132 words
A NOZZLE FOR A DISPENSING HOSE, COMPRISING A HOUSING COMMUNICATING WITH SAID HOSE; A SPIGOT CONNECTED WITH SAID HOUSING FOR DISCHARGING LIQUID FED THROUGH SAID HOUSING FROM SAID HOSE; VALVE MEANS IN SAID HOUSING FOR SELECTIVELY BLOCKING AND UNBLOCKING THE PASSAGE OF LIQUID TO SAID SPIGOT; AND PRESSURE-DIFFERENTIAL-RESPONSIVE MEANS HAVING AN AIR PASSAGE AND OPERABLE UPON BLOCKAGE OF SAID PASSAGE BY SAID LIQUID FOR CONTROLLING SAID VALVE MEANS TO CUT OFF FLOW OF SAID LIQUID TO SAID SPIGOT, SAID SPIGOT COMPRISING AN ELONGATED INTEGRAL TUBULAR BODY FORMED WITH AN OUTLET OF RELATIVELY LARGE CROSS-SECTIONAL AREA FOR SAID LIQUID AND WITH A BORE EXTENDING ALONG SAID OUTLET AND CONSTITUTING SAID PASSAGE, SAID BODY BEING OF ROUND ANNULAR CROSS-SECTION AND HAVING AN INWARDLY CONVEX RIDGE EXTENDING ALONG THE WALL OF SAID OUTLET AND PARALLEL-
Claim 2
Dependent Claim 132 words
A NOZZLE FOR A DISPENSING HOSE, COMPRISING A HOUSING COMMUNICATING WITH SAID HOSE; A SPIGOT CONNECTED WITH SAID HOUSING FOR DISCHARGING LIQUID FED THROUGH SAID HOUSING FROM SAID HOSE; VALVE MEANS IN SAID HOUSING FOR SELECTIVELY BLOCKING AND UNBLOCKING THE PASSAGE OF LIQUID TO SAID SPIGOT; AND PRESSURE-DIFFERENTIAL-RESPONSIVE MEANS HAVING AN AIR PASSAGE AND OPERABLE UPON BLOCKAGE OF SAID PASSAGE BY SAID LIQUID FOR CONTROLLING SAID VALVE MEANS TO CUT OFF FLOW OF SAID LIQUID TO SAID SPIGOT, SAID SPIGOT COMPRISING AN ELONGATED INTEGRAL TUBULAR BODY FORMED WITH AN OUTLET OF RELATIVELY LARGE CROSS-SECTIONAL AREA FOR SAID LIQUID AND WITH A BORE EXTENDING ALONG SAID OUTLET AND CONSTITUTING SAID PASSAGE, SAID BODY BEING OF ROUND ANNULAR CROSS-SECTION AND HAVING AN INWARDLY CONVEX RIDGE EXTENDING ALONG THE WALL OF SAID OUTLET AND PARALLEL-

References Cited (Backward Citations)

US1966082A Cited
US2217194A Cited
US2309503A Cited
US2383949A Cited
US2267623A Cited
US2622782A Cited
US2679967A Cited
US2841191A Cited
US3152623A Cited
US3101102A Cited
US3101101A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-02-07 1969-08-09 1970-02-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-02-07 1973-08-09 1974-02-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-02-07 1977-08-09 1978-02-08 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag