US3239985A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lapped multiplanar surfacing
Assignee: PANEL CRAFT Inc
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Filing: 1960-03-23
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Granted: 1966-03-15
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Expires: 1980-03-23
Abstract
No abstract record available.
Inventors
- 👤 Harter Samuel Chester
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:39
CPC Classifications
E; E04; E04D; E04D13/00; E04D13/15; E04D13/158; E04D13/152; E04D3/00; E04D3/36; E04D3/361; E04D3/362; E04F; E04F13/00; E04F13/07; E04F13/08; E04F13/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
A STRUCTURAL MATERIAL, COMPRISING A LONGITUDINAL CENTRAL SECTION OF SHEET MATERIAL, MEMBERS DISPOSED ALONG EACH SIDE OF SAID SECTION HAVING JOINT PARTS FORMED INTEGRALLY WITH EACH EDGE OF SAID SECTION, ONE OF SAID JOINT PARTS CONSISTING OF A FLANGE U-SHAPED ON CROSS SECTION FORMING A GROOVE WITH THE OPENING THEREOF FACING OUTWARDLY FROM THE EDGE OF AND BEING DISPOSED IN PART BEHIND SAID MEMBER, THE WALLS OF SAID GROOVE BEING GENERALLY PARALLEL WITH THE PLANE OF SAID SECTION, AND THE OTHER OF SAID JOINT PARTS CONSISTING OF A SUBSTANTIALLY STRAIGHT OUTWARDLY AND REARWARDLY EXTENDING FLANGE JOINED INTEGRALLY AT ITS FORWARD EDGE TO THE OTHER OF SAID MEMBERS AND BEING ADAPTED TO SEAT IN THE GROOVE OF SAID FIRST JOINT PART OF ANOTHER DUPLICATE PANEL, FIRMLY ENGAGING THE FRONT WALL OF SAID GROOVE AT THE OUTSIDE EDGE THEREOF AND THE REAR WALL OF SAID GROOVE AT THE INSIDE EDGE THEREOF.
Claim 2
Dependent Claim
149 words
A STRUCTURAL MATERIAL, COMPRISING A LONGITUDINAL CENTRAL SECTION OF SHEET MATERIAL, MEMBERS DISPOSED ALONG EACH SIDE OF SAID SECTION HAVING JOINT PARTS FORMED INTEGRALLY WITH EACH EDGE OF SAID SECTION, ONE OF SAID JOINT PARTS CONSISTING OF A FLANGE U-SHAPED ON CROSS SECTION FORMING A GROOVE WITH THE OPENING THEREOF FACING OUTWARDLY FROM THE EDGE OF AND BEING DISPOSED IN PART BEHIND SAID MEMBER, THE WALLS OF SAID GROOVE BEING GENERALLY PARALLEL WITH THE PLANE OF SAID SECTION, AND THE OTHER OF SAID JOINT PARTS CONSISTING OF A SUBSTANTIALLY STRAIGHT OUTWARDLY AND REARWARDLY EXTENDING FLANGE JOINED INTEGRALLY AT ITS FORWARD EDGE TO THE OTHER OF SAID MEMBERS AND BEING ADAPTED TO SEAT IN THE GROOVE OF SAID FIRST JOINT PART OF ANOTHER DUPLICATE PANEL, FIRMLY ENGAGING THE FRONT WALL OF SAID GROOVE AT THE OUTSIDE EDGE THEREOF AND THE REAR WALL OF SAID GROOVE AT THE INSIDE EDGE THEREOF.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |