US3103406A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making low density epoxy
Assignee: —
•
Filing: —
•
Granted: 1963-09-10
•
Expires: 1980-09-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:01
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/32; C08J2363/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
IN A METHOD OF MAKING A LOW DENSITY, EPOXY RESIN COMPOSITION BY MIXING A LIQUID EPOXIDE RESIN WITH PLASTIC MICRO BALLONS AND AN EPOXY RESIN ACTIVATOR AND CURING THE RESULTING MIXTURE TO FORM A LOW DENSITY, FINELY POROUS SOLID, THE STEPS OF FORMING THE MIXTURE PRIOR TO CURING INTO A THIN LAYER, VIBRATION THE MIXTURE IN THIN LAYER FROM TO CAUSE AIR BUBBLES TO RISE TO THE SURFACE THEREOF AND IMPINGING A BLAST OF HOT AIR ON THE UPPER SURFACE OF SAID LAYER TO BREAK THE AIR BUBBLES REACHING SAID UPPER SURFACE.
Claim 2
Dependent Claim
92 words
IN A METHOD OF MAKING A LOW DENSITY, EPOXY RESIN COMPOSITION BY MIXING A LIQUID EPOXIDE RESIN WITH PLASTIC MICRO BALLONS AND AN EPOXY RESIN ACTIVATOR AND CURING THE RESULTING MIXTURE TO FORM A LOW DENSITY, FINELY POROUS SOLID, THE STEPS OF FORMING THE MIXTURE PRIOR TO CURING INTO A THIN LAYER, VIBRATION THE MIXTURE IN THIN LAYER FROM TO CAUSE AIR BUBBLES TO RISE TO THE SURFACE THEREOF AND IMPINGING A BLAST OF HOT AIR ON THE UPPER SURFACE OF SAID LAYER TO BREAK THE AIR BUBBLES REACHING SAID UPPER SURFACE.
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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) | 1966-09-09 | 1967-03-11 | 1967-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-09 | 1971-03-11 | 1971-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-09 | 1975-03-11 | 1975-09-10 | $7700.00 | Window Closed / Lapsed |