US3344503A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus and method for manufacture of building panels
Assignee: Clestra SA
•
Filing: 1963-12-12
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Granted: 1967-10-03
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Expires: 1983-12-12
Abstract
No abstract record available.
Inventors
- 👤 Marvin D Merritt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:22
CPC Classifications
B; B29; B29C; B29C66/00; B28; B28B; B28B11/00; B28B23/00; B28B23/0018; B29C53/00; B29C53/02; B29C53/04; B29C65/00; B29C65/48; B32; B32B; B32B15/00; B32B15/04; B32B15/08; D; D21; D21J; D21J1/00; E; E04; E04C; E04C2/00; E04C2/02; E04C2/26; E04C2/284; E04C2/292; B29C65/4805; B29C65/481; B29C65/483; B29C65/4835; B29C65/4865; Y; Y10; Y10T; Y10T156/00; Y10T156/17; Y10T156/1702; Y10T156/1744; Y10T156/1751; Y10T156/1761; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49828; Y10T29/49829; Y10T29/49908; Y10T29/49915; Y10T29/53; Y10T29/534; Y10T29/53409; Y10T29/53413; Y10T29/53709; Y10T29/53787
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
90 words
THE METHOD OF MAKING A BUILDING PANEL WHICH COMPRISES THE STEPS OF SANDWICHING AN INSULATING PANEL BETWEEN TWO METALLIC FACE PLATES BY PARTIALLY ROLL FORMING THE LATERAL EDGES OF AT LEAST ONE OF SUCH FACE PLATES, THEN ADHESIVELY COATING AT LEAST BOTH FACES OF THE INSULATING PANEL AND AT LEAST THE OPPOSED LATERAL EDGE PORTIONS OF SUCH PARTIALLY ROLL FORMED FACE PLATE, PLACING THE INSULATING PANEL ON ONE FACE PLATE, AND THEN PLACING THE OTHER FACE PLATE AGAINST THE INSULATING PANEL AND THEN FINISH ROLL FORMING SAID LATERAL EDGES THEREAFTER.
Claim 2
Independent Claim
90 words
THE METHOD OF MAKING A BUILDING PANEL WHICH COMPRISES THE STEPS OF SANDWICHING AN INSULATING PANEL BETWEEN TWO METALLIC FACE PLATES BY PARTIALLY ROLL FORMING THE LATERAL EDGES OF AT LEAST ONE OF SUCH FACE PLATES, THEN ADHESIVELY COATING AT LEAST BOTH FACES OF THE INSULATING PANEL AND AT LEAST THE OPPOSED LATERAL EDGE PORTIONS OF SUCH PARTIALLY ROLL FORMED FACE PLATE, PLACING THE INSULATING PANEL ON ONE FACE PLATE, AND THEN PLACING THE OTHER FACE PLATE AGAINST THE INSULATING PANEL AND THEN FINISH ROLL FORMING SAID LATERAL EDGES THEREAFTER.
Claim 3
Dependent Claim
105 words
APPARATUS FOR FORMING BUILDING PANELS COMPRISING THREE PARALLEL CONVEYORS, MEANS FOR PLACING A FACE PLATE ON THE CENTER CONVEYOR, MEANS FOR PLACING A FACE PLATE AND AN INSULATING PANEL ON THE SIDE CONVEYORS, RESPECTIVELY, MEANS FOR PARTIALLY ROLL FORMING THE LATERAL ADGES OF AT LEAST ONE OF SAID FACE PLATES, MEANS FOR ADHESIVELY COATING THE TOP SIDES OF SAID FACE PLATES AS THEY MOVE ALONG SAID CONVEYORS, MEANS FOR LATERALLY SHIFTING SAID INSULATING PANEL FROM ITS CONVEYOR AND PLACING IT ON THE FACE PLATE ON THE CENTER CONVEYOR, MEANS FOR INVERTING THE FACE PLATE ON THE SIDE CONVEYOR AND PLACING THE SAME ON THE INSULATING
Claim 4
Dependent Claim
105 words
APPARATUS FOR FORMING BUILDING PANELS COMPRISING THREE PARALLEL CONVEYORS, MEANS FOR PLACING A FACE PLATE ON THE CENTER CONVEYOR, MEANS FOR PLACING A FACE PLATE AND AN INSULATING PANEL ON THE SIDE CONVEYORS, RESPECTIVELY, MEANS FOR PARTIALLY ROLL FORMING THE LATERAL ADGES OF AT LEAST ONE OF SAID FACE PLATES, MEANS FOR ADHESIVELY COATING THE TOP SIDES OF SAID FACE PLATES AS THEY MOVE ALONG SAID CONVEYORS, MEANS FOR LATERALLY SHIFTING SAID INSULATING PANEL FROM ITS CONVEYOR AND PLACING IT ON THE FACE PLATE ON THE CENTER CONVEYOR, MEANS FOR INVERTING THE FACE PLATE ON THE SIDE CONVEYOR AND PLACING THE SAME ON THE INSULATING
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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) | 1970-10-02 | 1971-04-03 | 1971-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-02 | 1975-04-03 | 1975-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-02 | 1979-04-03 | 1979-10-03 | $7700.00 | Window Closed / Lapsed |