US3341124A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spraying method and apparatus
Assignee: Macmillan Bloedel and Powell River Ltd
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Filing: 1965-06-21
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Granted: 1967-09-12
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Expires: 1985-06-21
Abstract
No abstract record available.
Inventors
- 👤 Barnes Derek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:06
CPC Classifications
B; B27; B27G; B27G11/00; B27G11/005
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
74 words
A METHOD OF SPRAYING LIQUID BY MEANS OF ONE OR MORE NOZZLES WITHOUT NOZZLE CLOGGING, COMPRISING DIRECTING LIQUID UNDER PRESSURE TO A SPRAYING NOZZLE, DIRECTING AIR TO SAID NOZZLE AT A PRESSURE SUBSTANTIALLY EQUAL TO THE LIQUID PRESSURE TO ATOMIZE THE LIQUID AT THE NOZZLE, SHUTTING OFF THE LIQUID BEING DIRECTED TO THE NOZZLE, AND INSERTING A SLUG OF CLEANING FLUID INTO THE AIR BEING DIRECTED TO THE NOZZLE TO CLEAN OUT THE LATTER.
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) | 1970-09-11 | 1971-03-13 | 1971-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-11 | 1975-03-13 | 1975-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-11 | 1979-03-13 | 1979-09-12 | $7700.00 | Window Closed / Lapsed |