Patent US3253377A successfully refreshed from Google Patents.
US3253377A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Integratable structural panels
Assignee: Alcoa Corp
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Filing: 1964-08-31
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Granted: 1966-05-31
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Expires: 1984-08-31
Abstract
No abstract record available.
Inventors
- 👤 Raymond A Schakel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:27
CPC Classifications
B; B62; B62D; B62D33/00; B62D33/04; B62D33/046
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
353 words
AN ELONGATE STRUCTURAL PANEL SECTION OF THE CHARACTER DESCRIBED FOR INTERLOCKING OPPOSITE MARGINAL EDGE COPLANAR ASSEMBLY WITH A SIMILAR ADJACENT SECTION, SAID SECTION HAVING AN AXIALLY EXTENDING UNIFORM TRANSVERSE CROSS-SECTION COMPRISING: (A) AN EXPOSED SURFACE AND A PARALLEL SPACED SUPPORTING SURFACE DEFINING A MAXIMUM THICKNESS DEPTH THEREOF, (B) ONE MARGINAL EDGE HAVING A TRANSVERSE PROFILE COMPRISING A LATERALLY OUTWARDLY EXTENDING MALE TONGUE IN OFFSET CONNECTION BELOW AND PARALLEL TO THE EXPOSED SURFACE, (C) SAID OFFSET CONNECTION OF THE MALE TONGUE DEFINING AN OUTWARDLY DIRECTED WEB SURFACE SUBSTANTIALLY NORMAL TO THE PARALLEL EXPOSED AND SUPPORTING SURFACES AND BEING SUBTENDED BY AN INWARDLY EXTENDING UNDERCUT GROOVE FORMING A SHARP INWARDLY EXTENDING SHOULDER WITH THE OUTWARDLY DIRECTED WEB SURFACE AND A CONTIGUOUS ANGULARLY DOWNWARDLY AND OUTWARDLY INCLINED REAR WALL SURFACE INTERSECTING AN ADJACENT PARALLEL SURFACE OF THE MALE TONGUE, (D) THE OPPOSITE MARGINAL EDGE HAVING AN OUTWARDLY DIRECTED BOSS SURFACE SUBSTANTIALLY NORMAL TO THE PARALLEL EXPOSED AND SUPPORTING SURFACES AND BEING SUBTENDED BY AN INWARDLY DIRECTED UNDERCUT GROOVE FORMING A SHARP INWARDLY DIRECTED SHOULDER WITH THE BOSS SURFACE AND A CONTIGUOUS ANGULARLY DOWNWARDLY AND OUTWARDLY INCLINED REAR WALL SURFACE INTERSECTING A WALL OF A FURTHER INWARDLY DIRECTED RECESS BELOW SAID UNDERCUT GROOVE, (E) AN UPSTANDING ABUTMENT CARRIED BY SAID LAST-MENTIONED MARGINAL EDGE LATERALLY OUTWARDLY DISPOSED IN RESPECT TO LATERAL AXIAL COPLANAR INWARD ENTRANCE TO THE FURTHER INWARDLY DIRECTED RECESS, (F) SAID OUTWARDLY DIRECTED BOSS SURFACE AND UPSTANDING ABUTMENT FORMING A LATERALLY OUTWARDLY OPEN ENTRANCE FEMALE CHANNEL FOR ANGULARLY TILTED ENTRY AND OSCILLATION OF SAID MALE TONGUE WITH SAID FURTHER INWARDLY DIRECTED RECESS INTO COPLANAR ASSEMBLY BETWEEN ADJACENT AXIALLY REVERSED SIMILAR SECTIONS AND THE UPSTANDING ABUTMENT RESTRICTING LATERAL COPLANAR OUTWARD REMOVAL OF THE MALE TONGUE FROM THE FURTHER INWARDLY DIRECTED RECESS, AND (G) SAID OUTWARDLY DIRECTED BOSS SURFACE AND INWARDLY DIRECTED ANGULARLY UNDERCUT GROOVE THEREBELOW RESPECTIVELY ADAPTED TO BE IN SUBSTANTIAL COPLANAR LATERAL REGISTRATION WITH THE WEB SURFACE AND INWARDLY DIRECTED ANGULARLY UNDERCUT GROOVE THEREBELOW OF A SIMILAR ADJACENT SECTION TO FORM THEREBETWEEN AN OUTWARDLY OPEN RE-ENTRANT RECESS ADAPTED TO RECEIVE A SEALING MATERIAL IN COPLANAR INTERLOCKING ASSEMBLY BETWEEN ADJACENT OPPOSITE MARGINAL EDGES OF TWO SIMILAR SECTIONS.
Claim 2
Dependent Claim
353 words
AN ELONGATE STRUCTURAL PANEL SECTION OF THE CHARACTER DESCRIBED FOR INTERLOCKING OPPOSITE MARGINAL EDGE COPLANAR ASSEMBLY WITH A SIMILAR ADJACENT SECTION, SAID SECTION HAVING AN AXIALLY EXTENDING UNIFORM TRANSVERSE CROSS-SECTION COMPRISING: (A) AN EXPOSED SURFACE AND A PARALLEL SPACED SUPPORTING SURFACE DEFINING A MAXIMUM THICKNESS DEPTH THEREOF, (B) ONE MARGINAL EDGE HAVING A TRANSVERSE PROFILE COMPRISING A LATERALLY OUTWARDLY EXTENDING MALE TONGUE IN OFFSET CONNECTION BELOW AND PARALLEL TO THE EXPOSED SURFACE, (C) SAID OFFSET CONNECTION OF THE MALE TONGUE DEFINING AN OUTWARDLY DIRECTED WEB SURFACE SUBSTANTIALLY NORMAL TO THE PARALLEL EXPOSED AND SUPPORTING SURFACES AND BEING SUBTENDED BY AN INWARDLY EXTENDING UNDERCUT GROOVE FORMING A SHARP INWARDLY EXTENDING SHOULDER WITH THE OUTWARDLY DIRECTED WEB SURFACE AND A CONTIGUOUS ANGULARLY DOWNWARDLY AND OUTWARDLY INCLINED REAR WALL SURFACE INTERSECTING AN ADJACENT PARALLEL SURFACE OF THE MALE TONGUE, (D) THE OPPOSITE MARGINAL EDGE HAVING AN OUTWARDLY DIRECTED BOSS SURFACE SUBSTANTIALLY NORMAL TO THE PARALLEL EXPOSED AND SUPPORTING SURFACES AND BEING SUBTENDED BY AN INWARDLY DIRECTED UNDERCUT GROOVE FORMING A SHARP INWARDLY DIRECTED SHOULDER WITH THE BOSS SURFACE AND A CONTIGUOUS ANGULARLY DOWNWARDLY AND OUTWARDLY INCLINED REAR WALL SURFACE INTERSECTING A WALL OF A FURTHER INWARDLY DIRECTED RECESS BELOW SAID UNDERCUT GROOVE, (E) AN UPSTANDING ABUTMENT CARRIED BY SAID LAST-MENTIONED MARGINAL EDGE LATERALLY OUTWARDLY DISPOSED IN RESPECT TO LATERAL AXIAL COPLANAR INWARD ENTRANCE TO THE FURTHER INWARDLY DIRECTED RECESS, (F) SAID OUTWARDLY DIRECTED BOSS SURFACE AND UPSTANDING ABUTMENT FORMING A LATERALLY OUTWARDLY OPEN ENTRANCE FEMALE CHANNEL FOR ANGULARLY TILTED ENTRY AND OSCILLATION OF SAID MALE TONGUE WITH SAID FURTHER INWARDLY DIRECTED RECESS INTO COPLANAR ASSEMBLY BETWEEN ADJACENT AXIALLY REVERSED SIMILAR SECTIONS AND THE UPSTANDING ABUTMENT RESTRICTING LATERAL COPLANAR OUTWARD REMOVAL OF THE MALE TONGUE FROM THE FURTHER INWARDLY DIRECTED RECESS, AND (G) SAID OUTWARDLY DIRECTED BOSS SURFACE AND INWARDLY DIRECTED ANGULARLY UNDERCUT GROOVE THEREBELOW RESPECTIVELY ADAPTED TO BE IN SUBSTANTIAL COPLANAR LATERAL REGISTRATION WITH THE WEB SURFACE AND INWARDLY DIRECTED ANGULARLY UNDERCUT GROOVE THEREBELOW OF A SIMILAR ADJACENT SECTION TO FORM THEREBETWEEN AN OUTWARDLY OPEN RE-ENTRANT RECESS ADAPTED TO RECEIVE A SEALING MATERIAL IN COPLANAR INTERLOCKING ASSEMBLY BETWEEN ADJACENT OPPOSITE MARGINAL EDGES OF TWO SIMILAR SECTIONS.
References Cited (Backward Citations)
US2228052A
Cited
US2431384A
Cited
US2786556A
Cited
US2907417A
Cited
US2923384A
Cited
US2952341A
Cited
US3075802A
Cited
US3152669A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-30 | 1969-11-29 | 1970-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-30 | 1973-11-29 | 1974-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-30 | 1977-11-29 | 1978-05-31 | $7700.00 | Window Closed / Lapsed |