US3072958A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for making reinforced plastic
Assignee: Collins and Co
•
Filing: 1959-04-21
•
Granted: 1963-01-15
•
Expires: 1979-04-21
Abstract
No abstract record available.
Inventors
- 👤 Howard W Collins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:09
CPC Classifications
B; B29; B29C; B29C43/00; B29C43/32; B29C33/00; B29C33/44; B29C33/52; B29C43/02; B29C43/20; B29C43/203; B29C43/206; B29C43/22; B29C43/224; B29C53/00; B29C53/22; B29C53/24; B29C53/28; B29C70/00; B29C70/04; B29C70/28; B29C70/40; B29C70/50; B29C70/54; B29C70/543
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
APPARATUS FOR FORMING STRUCTURAL PANELS COMPRISING AN ELONGATED, OPEN MOLD HAVING A SUBSTANTIALLY HORIZONTAL SURFACE WITH THE DESIRED CONTOUR OF THE PANEL, MEANS TO MOVE SAID MOLD THROUGH A HORIZONTAL PATH, MEANS TO DEPOSIT A WEB OF THERMO-SETTING MATERIAL ON SAID MOLD AT ONE POINT IN ITS PATH, MEANS TO DEPOSIT A GRANNULAR MATERIAL ON SAID WEB TO FORCE IT AGAINST THE SURFACE OF SAID MOLD, HEATING MEANS SURROUNDING A PORTION OF THE PATH THROUGH WHICH SAID MOLD MOVES WHILE CARRYING SAID WEB AND GRANULAR MATERIAL ON ITS HORIZONTAL SURFACE, SAID HEATING MEANS SERVING TO CURE SAID WEB, MEANS TO REMOVE SAID GRANULAR MATERIAL FROM SAID WEB, MEANS TO SEPARATE SAID CURED WEB FROM SAID MOLD, AND MEANS TO CUT SAID WEB INTO LENGTHS.
Claim 2
Dependent Claim
124 words
APPARATUS FOR FORMING STRUCTURAL PANELS COMPRISING AN ELONGATED, OPEN MOLD HAVING A SUBSTANTIALLY HORIZONTAL SURFACE WITH THE DESIRED CONTOUR OF THE PANEL, MEANS TO MOVE SAID MOLD THROUGH A HORIZONTAL PATH, MEANS TO DEPOSIT A WEB OF THERMO-SETTING MATERIAL ON SAID MOLD AT ONE POINT IN ITS PATH, MEANS TO DEPOSIT A GRANNULAR MATERIAL ON SAID WEB TO FORCE IT AGAINST THE SURFACE OF SAID MOLD, HEATING MEANS SURROUNDING A PORTION OF THE PATH THROUGH WHICH SAID MOLD MOVES WHILE CARRYING SAID WEB AND GRANULAR MATERIAL ON ITS HORIZONTAL SURFACE, SAID HEATING MEANS SERVING TO CURE SAID WEB, MEANS TO REMOVE SAID GRANULAR MATERIAL FROM SAID WEB, MEANS TO SEPARATE SAID CURED WEB FROM SAID MOLD, AND MEANS TO CUT SAID WEB INTO LENGTHS.
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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 |