US3292859A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and gun for use in application of particulate materials
Assignee: Polymer Engineering Corp
•
Filing: 1965-08-13
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Granted: 1966-12-20
•
Expires: 1985-08-13
Abstract
No abstract record available.
Inventors
- 👤 Frank L Landon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:54
CPC Classifications
B; B05; B05D; B05D7/00; B05D7/24; B05B; B05B7/00; B05B7/14; B05B7/1481; B05B7/149; B05B7/1495
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A PROCESS FOR WETTING PARTICULATE MATERIAL WITH A LIQUID, SAID PROCESS COMPRISING: CREATING AN AIR SUSPENSION OF THE LIQUID WITH THE LIQUID BERING SPRAYED UNDER PRESSURE IN AN EXPANDING PATTERN; DELIVERING THE PARTICULATE MATERIAL IN AN ANNULAR PATTERN TO THE LIQUID-AIR SUSPENSION; AND PROVIDING AN ANNULAR CURTAIN OF AIR CONCENTRIC OF THE ANNULAR PARTICULATE PATTERN BETWEEN THE SPRAYED LIQUID AND THE PARTICULATE MATERIAL ADJACENT THE BASE OF THE LIQUID-AIR SUSPENSION PATTERN, SAID ANNULAR AIR CURTAIN SERVING TO DELAY THE CONTACT OF THE PARTICULATE MATERIAL WITH THE LIQUID SPRAY.
Claim 2
Dependent Claim
88 words
A PROCESS FOR WETTING PARTICULATE MATERIAL WITH A LIQUID, SAID PROCESS COMPRISING: CREATING AN AIR SUSPENSION OF THE LIQUID WITH THE LIQUID BERING SPRAYED UNDER PRESSURE IN AN EXPANDING PATTERN; DELIVERING THE PARTICULATE MATERIAL IN AN ANNULAR PATTERN TO THE LIQUID-AIR SUSPENSION; AND PROVIDING AN ANNULAR CURTAIN OF AIR CONCENTRIC OF THE ANNULAR PARTICULATE PATTERN BETWEEN THE SPRAYED LIQUID AND THE PARTICULATE MATERIAL ADJACENT THE BASE OF THE LIQUID-AIR SUSPENSION PATTERN, SAID ANNULAR AIR CURTAIN SERVING TO DELAY THE CONTACT OF THE PARTICULATE MATERIAL WITH THE LIQUID SPRAY.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-19 | 1970-06-20 | 1970-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-19 | 1974-06-20 | 1974-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-19 | 1978-06-20 | 1978-12-20 | $7700.00 | Window Closed / Lapsed |