US3239986A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spline type joint between composite panels
Assignee: Lockheed Martin Corp
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Filing: 1963-04-08
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Granted: 1966-03-15
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Expires: 1983-04-08
Abstract
No abstract record available.
Inventors
- 👤 Gordon C Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:02
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/38; E04B1/61; E04B1/6108; E04B1/6116
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
162 words
A BUILDING PANEL JOINT WHICH COMPRISES: (A) TWO BUILDING PANELS, EACH OF SAID PANELS HAVING SIDES AND A RIGID CHANNEL AT ITS ENDS, EACH OF SAID CHANNELS HAVING A BASE SPACED FROM SAID PANEL END RECESSED FROM SAID SIDES AND HAVING A CENTRALLY LOCATED GROOVE FORMED THEREIN EXTENDING THE LENGTH OF SAID BASE, A PLURALITY OF DEPRESSED REGIONS BEING PROVIDED IN EACH SAID GROOVE TO RECEIVE EYE BOLTS, SAID BASE OF EACH SAID CHANNEL UPON ONE SAID PANEL ABUTTING A SAID BASE ON ANOTHER PANEL IN AN END TO END RELATIONSHIP SO THAT SAID GROOVES IN SAID BASES ARE OPPOSITE TO ONE ANOTHER IN MATCHED RELATIONSHIPS; (B) A RIGID MEMBER LOCATED WITHIN SAID MATCHED GROOVES BETWEEN SAID ENDS OF SAID BUILDING PANELS, SAID RIGID MEMBER FITTING CLOSELY WITHIN SAID GROOVES; AND (C) A PLURALITY OF CLIP MEANS DISPOSED ACROSS SAID ABUTTED BASES IN CONTACT THEREWITH AND CONNECTING SAID CHANNELS SO AS TO PREVENT SAID CHANNELS FROM BEING MOVED AWAY FROM ONE ANOTHER.
Claim 2
Dependent Claim
162 words
A BUILDING PANEL JOINT WHICH COMPRISES: (A) TWO BUILDING PANELS, EACH OF SAID PANELS HAVING SIDES AND A RIGID CHANNEL AT ITS ENDS, EACH OF SAID CHANNELS HAVING A BASE SPACED FROM SAID PANEL END RECESSED FROM SAID SIDES AND HAVING A CENTRALLY LOCATED GROOVE FORMED THEREIN EXTENDING THE LENGTH OF SAID BASE, A PLURALITY OF DEPRESSED REGIONS BEING PROVIDED IN EACH SAID GROOVE TO RECEIVE EYE BOLTS, SAID BASE OF EACH SAID CHANNEL UPON ONE SAID PANEL ABUTTING A SAID BASE ON ANOTHER PANEL IN AN END TO END RELATIONSHIP SO THAT SAID GROOVES IN SAID BASES ARE OPPOSITE TO ONE ANOTHER IN MATCHED RELATIONSHIPS; (B) A RIGID MEMBER LOCATED WITHIN SAID MATCHED GROOVES BETWEEN SAID ENDS OF SAID BUILDING PANELS, SAID RIGID MEMBER FITTING CLOSELY WITHIN SAID GROOVES; AND (C) A PLURALITY OF CLIP MEANS DISPOSED ACROSS SAID ABUTTED BASES IN CONTACT THEREWITH AND CONNECTING SAID CHANNELS SO AS TO PREVENT SAID CHANNELS FROM BEING MOVED AWAY FROM ONE ANOTHER.
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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) | 1969-03-14 | 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 |