US3271222A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for preparing cored laminates
Assignee: Mobjack Manufacturing Co Inc
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Filing: 1962-09-20
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Granted: 1966-09-06
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Expires: 1982-09-20
Abstract
No abstract record available.
Inventors
- 👤 Moorman Roger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:12
CPC Classifications
B; B32; B32B; B32B27/00; B29; B29C; B29C65/00; B29C65/48; B29C65/4865; B29C65/487; B29C65/4875; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/50; B29C66/51; B29C66/53; B29C66/532; B29C66/5326; B29C66/61; B29C66/80; B29C66/83; B29C66/836; B29C66/8362; B29C66/84; B29C66/861; B29C70/00; B32B37/00; B32B37/02; B32B37/14; B32B37/24; B32B38/00; B32B38/08; B29C65/4805; B29C65/483; B29C66/40; B29C66/41; B29C66/45; B29C66/70; B29C66/71; B29K; B29K2309/00; B29K2309/08; B29L; B29L2009/00; B32B37/12; B32B2037/1253; B32B2250/00; B32B2250/03; B32B2260/00; B32B2260/04; B32B2260/046; Y; Y10; Y10S; Y10S264/00; Y10S264/06; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1028; Y10T156/1031; Y10T156/1089; Y10T156/109
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
THE METHOD FOR PREPARING A LOW DENSITY SANDWICH TYPE CORED LAMINATE HAVING A CORE DENSITY IN THE RANGE TWENTY-FIVE TO FORTY POUNDS PER CUBIC FOOT, COMPRISING THE STEPS OF PREPARING A PREFORMED FIRST LAMINA IN CONTACT WITH THE CONTOURS OF A PREVIOUSLY PREPARED MOLD SURFACE, APPLYING A MIXTURE COMPRISING A HARDENABLE RESIN WITH CELLULAR MICROPARTICULATE AGGREGATE DISPERSED THEREIN IN THE FORM OF A THIN LAYER AT LEAST SEVERAL TIMES THE THICKNESS OF A SINGLE CELLULAR PARTICLE UPON THE SURFACE OF SAID LAMINA, APPLYING ADDITIONAL DRY CELLULAR MICROPARTICULATE AGGREGATE OF SUBSTANTIALLY THE SAME SIZE RANGE TO THE SURFACE OF SAID MIXTURE, ALLOWING SAID DRY AGGREGATE TO CONSOLIDATE WITH SAID MIXTURE, THEREBY PRODUCING A HOMOGENEOUS CORE LAYER OF SUBSTANTIALLY UNIFORM DENSITY THROUGHOUT ITS THICKNESS, AND APPLYING A COVERING LAMINA IN CONTACT WITH THE SURFACE OF SAID HOMOGENEOUS CORE LAYER.
Claim 2
Independent Claim
137 words
THE METHOD FOR PREPARING A LOW DENSITY SANDWICH TYPE CORED LAMINATE HAVING A CORE DENSITY IN THE RANGE TWENTY-FIVE TO FORTY POUNDS PER CUBIC FOOT, COMPRISING THE STEPS OF PREPARING A PREFORMED FIRST LAMINA IN CONTACT WITH THE CONTOURS OF A PREVIOUSLY PREPARED MOLD SURFACE, APPLYING A MIXTURE COMPRISING A HARDENABLE RESIN WITH CELLULAR MICROPARTICULATE AGGREGATE DISPERSED THEREIN IN THE FORM OF A THIN LAYER AT LEAST SEVERAL TIMES THE THICKNESS OF A SINGLE CELLULAR PARTICLE UPON THE SURFACE OF SAID LAMINA, APPLYING ADDITIONAL DRY CELLULAR MICROPARTICULATE AGGREGATE OF SUBSTANTIALLY THE SAME SIZE RANGE TO THE SURFACE OF SAID MIXTURE, ALLOWING SAID DRY AGGREGATE TO CONSOLIDATE WITH SAID MIXTURE, THEREBY PRODUCING A HOMOGENEOUS CORE LAYER OF SUBSTANTIALLY UNIFORM DENSITY THROUGHOUT ITS THICKNESS, AND APPLYING A COVERING LAMINA IN CONTACT WITH THE SURFACE OF SAID HOMOGENEOUS CORE LAYER.
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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) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |