US3261493A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Structural joint for a cargo container
Assignee: Lockheed Martin Corp
•
Filing: 1963-04-18
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Granted: 1966-07-19
•
Expires: 1983-04-18
Abstract
No abstract record available.
Inventors
- 👤 Donald G Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:56
CPC Classifications
B; B65; B65D; B65D9/00; B65D9/12; B65D9/22; B65D9/24; B65D9/32; B65D9/34; B65D9/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
A STRUCTURAL JOINT FOR CONNECTING PANELS IN ANGULAR RELATION COMPRISING IN COMBINATION: A PAIR OF ADJACENT EDGINGS HAVING CONFRONTING EDGE MITERED MATING SURFACES; A FIRST GROOVE FORMED IN EACH OF SAID EDGES, SAID FIRST GROOVE LOCATED IN AND EXTENDING LONGITUDINALLY THE LENGTH OF SAID MITERED SURFACE; A RESILIENT SEAL MOUNTED IN THE FIRST GROOVE OF EACH PANEL AND EXTENDING THE DISTANCE OF SAID FIRST GROOVE, A PORTION OF SAID SEAL EXTENDING OUT OF SAID FIRST GROOVE AND ABOVE THE MITERED SURFACE; THE CROSS-SECTIONAL SHAPES AND AREA RELATIONSHIPS OF SAID FIRST GROOVE AND SAID SEAL ARE INTERRELATED FOR RETENTION OF SAID SEAL IN SAID FIRST GROOVE AGAINST FREE REMOVAL;
Claim 2
Dependent Claim
108 words
A STRUCTURAL JOINT FOR CONNECTING PANELS IN ANGULAR RELATION COMPRISING IN COMBINATION: A PAIR OF ADJACENT EDGINGS HAVING CONFRONTING EDGE MITERED MATING SURFACES; A FIRST GROOVE FORMED IN EACH OF SAID EDGES, SAID FIRST GROOVE LOCATED IN AND EXTENDING LONGITUDINALLY THE LENGTH OF SAID MITERED SURFACE; A RESILIENT SEAL MOUNTED IN THE FIRST GROOVE OF EACH PANEL AND EXTENDING THE DISTANCE OF SAID FIRST GROOVE, A PORTION OF SAID SEAL EXTENDING OUT OF SAID FIRST GROOVE AND ABOVE THE MITERED SURFACE; THE CROSS-SECTIONAL SHAPES AND AREA RELATIONSHIPS OF SAID FIRST GROOVE AND SAID SEAL ARE INTERRELATED FOR RETENTION OF SAID SEAL IN SAID FIRST GROOVE AGAINST FREE REMOVAL;
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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) | 1969-07-18 | 1970-01-17 | 1970-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-18 | 1974-01-17 | 1974-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-18 | 1978-01-17 | 1978-07-19 | $7700.00 | Window Closed / Lapsed |