US3072973A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making cast plastic laminates
Assignee: Individual
•
Filing: 1959-04-24
•
Granted: 1963-01-15
•
Expires: 1979-04-24
Abstract
No abstract record available.
Inventors
- 👤 Barnette Stanley Ronald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:41
CPC Classifications
B; B29; B29C; B29C39/00; B29C39/02; B29C39/021; B29C39/023; B29C33/00; B29C33/02; B29C39/10; B29C2791/00; B29C2791/001; B29K; B29K2105/00; B29K2105/0002; B29K2995/00; B29K2995/0018; B29K2995/002; B29L; B29L2007/00; B29L2007/002; B29L2031/00; B29L2031/722; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24149
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
THE METHOD OF PRODUCING BALANCED WRAP FREE RIGID STRUCTURAL CORE ENVELOPED MOLDED ARTICLES WHICH COMPRISES POURING A PREDETERMINED QUANTITY OF LIQUID RESIN COMPRISING A MIXTURE OF LIQUID CATALYZED MODIFIED RESIN INTO A LEVELED SHALLOW OPEN MOLD, HAVING A BOTTOM CONFORMING TO THE DESIRED EXTERIOR SURFACE FINISH OF THE ARTICLE, TO A PARTIAL DEPTH OF THE MOLD, AND PERMITTING THE LIQUID RESIN TO CURE, POURING AT LEAST ONE ADDITIONAL QUANTITY OF SAID LIQUID CATALYZED MODIFIED RESIN ON TOP OF THE LAST CURED PLASTIC AND POSITIONING A SUBSTANTIALLY RIGID CORE STOCK SLIGHTLY NARROWER THAN THE MODE RIM INTO THE SAID LIQUID RESIN, SAID CORE DISPLACING SAID RESIN SO AS TO PERMIT THE RESIN TO RISE THROUGH, PERMEATE THE EDGES AND FLOW ONTO
Claim 2
Independent Claim
120 words
THE METHOD OF PRODUCING BALANCED WRAP FREE RIGID STRUCTURAL CORE ENVELOPED MOLDED ARTICLES WHICH COMPRISES POURING A PREDETERMINED QUANTITY OF LIQUID RESIN COMPRISING A MIXTURE OF LIQUID CATALYZED MODIFIED RESIN INTO A LEVELED SHALLOW OPEN MOLD, HAVING A BOTTOM CONFORMING TO THE DESIRED EXTERIOR SURFACE FINISH OF THE ARTICLE, TO A PARTIAL DEPTH OF THE MOLD, AND PERMITTING THE LIQUID RESIN TO CURE, POURING AT LEAST ONE ADDITIONAL QUANTITY OF SAID LIQUID CATALYZED MODIFIED RESIN ON TOP OF THE LAST CURED PLASTIC AND POSITIONING A SUBSTANTIALLY RIGID CORE STOCK SLIGHTLY NARROWER THAN THE MODE RIM INTO THE SAID LIQUID RESIN, SAID CORE DISPLACING SAID RESIN SO AS TO PERMIT THE RESIN TO RISE THROUGH, PERMEATE THE EDGES AND FLOW ONTO
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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) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |