US2870039A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for coating a surface with light weight aggregate
Assignee: AUGUSTINE RICHARD MOULIN
•
Filing: 1953-08-31
•
Granted: 1959-01-20
•
Expires: 1973-08-31
Abstract
No abstract record available.
Inventors
- 👤 Robert W Mcreynolds
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 00:49
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/002
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
A METHOD FOR COATING A SURFACE WITH PARTICLES OF A LIGHT WEIGHT AGGREGATE COMPRISING THE STEPS OF HEATING A SOLUTION OF WATER SOLUBLE, THERMO-SETTING RESIN, HEATING SAID AGGREGATE, SAID FIRST HEATING BEING CARRIED OUT BY PASSING SAID AGGREGATE PAST SAID SOLUTION TO HEAT SAID SOLUTION, SPRAYING SAID SOLUTION ON A STREAM OF AGGREGATE TO COAT THE PARTICLES OF SAID AGGREGATE WHILE PERMITTING THE WATER VAPOR RELEASED UPON CONTACT OF SAID SOLUTION AND SAID AGGREGATE TO PREVENT IGNITION OF VOLATILE ELEMENTS AND TO PREVENT FLASH-SETTING OF THE RESIN, PROJECTING SAID COATED AGGREGATE AGAINST A SURFACE AT ATMOSPHERE CONDITIONS WHILE POLYMERIZATION IS TAKING PLACE TO FORM AN INSULATING SECTION OF DESIRED THICKNESS.
Claim 2
Independent Claim
110 words
A METHOD FOR COATING A SURFACE WITH PARTICLES OF A LIGHT WEIGHT AGGREGATE COMPRISING THE STEPS OF HEATING A SOLUTION OF WATER SOLUBLE, THERMO-SETTING RESIN, HEATING SAID AGGREGATE, SAID FIRST HEATING BEING CARRIED OUT BY PASSING SAID AGGREGATE PAST SAID SOLUTION TO HEAT SAID SOLUTION, SPRAYING SAID SOLUTION ON A STREAM OF AGGREGATE TO COAT THE PARTICLES OF SAID AGGREGATE WHILE PERMITTING THE WATER VAPOR RELEASED UPON CONTACT OF SAID SOLUTION AND SAID AGGREGATE TO PREVENT IGNITION OF VOLATILE ELEMENTS AND TO PREVENT FLASH-SETTING OF THE RESIN, PROJECTING SAID COATED AGGREGATE AGAINST A SURFACE AT ATMOSPHERE CONDITIONS WHILE POLYMERIZATION IS TAKING PLACE TO FORM AN INSULATING SECTION OF DESIRED THICKNESS.
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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) | 1962-01-19 | 1962-07-21 | 1963-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-19 | 1966-07-21 | 1967-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-19 | 1970-07-21 | 1971-01-20 | $7700.00 | Window Closed / Lapsed |