US3302814A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid core joint
Assignee: Lockheed Martin Corp
•
Filing: 1963-09-16
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Granted: 1967-02-07
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Expires: 1983-09-16
Abstract
No abstract record available.
Inventors
- 👤 Elwood B Dohner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:04
CPC Classifications
B; B65; B65D; B65D90/00; B65D90/02; B65D90/08; B29; B29C; B29C65/00; B29C65/56; B29C65/58; B29C66/00; B29C66/50; B29C66/51; B29C66/54; B29C66/543; B29C66/01; B29C66/05; B29C66/10; B29C66/12; B29C66/124; B29C66/1242; B29C66/12425; B29C66/70; B29C66/72; B29C66/725; B29C66/7252; B29C66/72525
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
A JOINT CONSTRUCTION COMPRISING: ADJACENT COPLANER EDGES OF TWO STRUCTURAL MEMBERS; OPPOSITELY EXTENDING FLANGES ON EACH SAID EDGE EXTENDING IN A PLANE TRANSVERSE TO THAT OF SAID EDGES; FIRST AND SECOND CAP STRIPS EXTENDING BETWEEN SAID EDGES ON OPPOSITE SIDES THEREOF; INWARDLY FACING SLOTS ON EACH OF SAID CAP STRIPS RECEIVING ONE OF SAID FLANGES ON EACH OF SAID EDGES, WEDGE MEANS BETWEEN THE FACING ENDS OF SAID EDGES, SAID WEDGE MEANS AND FACING ENDS DEFINING A CAVITY THEREBETWEEN; AND AN INITIALLY FLUID MATERIAL FILLING SAID CAVITY AND URGING SAID WEDGE MEANS AGAINST SAID FACING ENDS TO URGE SAID FLANGES AGAINST THE SIDES OF SAID SLOTS IN SAID CAP STRIPS.
Claim 2
Dependent Claim
110 words
A JOINT CONSTRUCTION COMPRISING: ADJACENT COPLANER EDGES OF TWO STRUCTURAL MEMBERS; OPPOSITELY EXTENDING FLANGES ON EACH SAID EDGE EXTENDING IN A PLANE TRANSVERSE TO THAT OF SAID EDGES; FIRST AND SECOND CAP STRIPS EXTENDING BETWEEN SAID EDGES ON OPPOSITE SIDES THEREOF; INWARDLY FACING SLOTS ON EACH OF SAID CAP STRIPS RECEIVING ONE OF SAID FLANGES ON EACH OF SAID EDGES, WEDGE MEANS BETWEEN THE FACING ENDS OF SAID EDGES, SAID WEDGE MEANS AND FACING ENDS DEFINING A CAVITY THEREBETWEEN; AND AN INITIALLY FLUID MATERIAL FILLING SAID CAVITY AND URGING SAID WEDGE MEANS AGAINST SAID FACING ENDS TO URGE SAID FLANGES AGAINST THE SIDES OF SAID SLOTS IN SAID CAP STRIPS.
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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) | 1970-02-06 | 1970-08-08 | 1971-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-06 | 1974-08-08 | 1975-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-06 | 1978-08-08 | 1979-02-07 | $7700.00 | Window Closed / Lapsed |