US3120927A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spraybar
Assignee: J H HOLLAND CO
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Filing: 1963-01-14
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Granted: 1964-02-11
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Expires: 1983-01-14
Abstract
No abstract record available.
Inventors
- 👤 John H Holland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:07
CPC Classifications
E; E01; E01C; E01C19/00; E01C19/12; E01C19/16; E01C19/17; E01C19/176
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
AN IMPROVED SPRAYBAR FOR DISTRIBUTING A LIQUID SUCH AS ASPHALT ON A SURFACE SUCH AS THE GROUND, COMPRISING: MEANS FORMING AN INLET FLUID PASSAGEWAY; MEANS FORMING A RETURN FLOW FLUID PASSAGEWAY EXTENDING GENERALLY PARALLEL TO THE INLET FLUID PASSAGEWAY; MEANS FORMING A PLURALITY OF BYPASS FLUID PASSAGEWAYS EXTENDING BETWEEN THE INLET FLUID PASSAGEWAY AND THE RETURN FLOW FLUID PASSAGEWAY; A CORRESPONDING NUMBER OF SPRAY NOZZLE MEANS IN FLUID COMMUNICATION WITH THE INLET FLUID PASSAGEWAY FOR SPRAYING THE LIQUID ONTO THE SURFACE; AND, THREE-WAY VALVE MEANS OPERATIVELY ASSOCIATED WITH EACH OF THE BYPASS FLUID PASSAGEWAYS AND RESPECTIVE SPRAY NOZZLE MEANS FOR SELECTIVELY DIRECTING THE PASSAGE OF FLUID FROM THE INLET PASSAGEWAY ALTERNATELY THROUGH THE SPRAY NOZZLE MEANS OR THROUGH THE BYPASS FLUID PASSAGEWAY TO THE RETURN FLOW FLUID PASSAGEWAY.
Claim 2
Dependent Claim
128 words
AN IMPROVED SPRAYBAR FOR DISTRIBUTING A LIQUID SUCH AS ASPHALT ON A SURFACE SUCH AS THE GROUND, COMPRISING: MEANS FORMING AN INLET FLUID PASSAGEWAY; MEANS FORMING A RETURN FLOW FLUID PASSAGEWAY EXTENDING GENERALLY PARALLEL TO THE INLET FLUID PASSAGEWAY; MEANS FORMING A PLURALITY OF BYPASS FLUID PASSAGEWAYS EXTENDING BETWEEN THE INLET FLUID PASSAGEWAY AND THE RETURN FLOW FLUID PASSAGEWAY; A CORRESPONDING NUMBER OF SPRAY NOZZLE MEANS IN FLUID COMMUNICATION WITH THE INLET FLUID PASSAGEWAY FOR SPRAYING THE LIQUID ONTO THE SURFACE; AND, THREE-WAY VALVE MEANS OPERATIVELY ASSOCIATED WITH EACH OF THE BYPASS FLUID PASSAGEWAYS AND RESPECTIVE SPRAY NOZZLE MEANS FOR SELECTIVELY DIRECTING THE PASSAGE OF FLUID FROM THE INLET PASSAGEWAY ALTERNATELY THROUGH THE SPRAY NOZZLE MEANS OR THROUGH THE BYPASS FLUID PASSAGEWAY TO THE RETURN FLOW FLUID PASSAGEWAY.
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) | 1967-02-10 | 1967-08-12 | 1968-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-10 | 1971-08-12 | 1972-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-10 | 1975-08-12 | 1976-02-11 | $7700.00 | Window Closed / Lapsed |