Patent US3259409A successfully refreshed from Google Patents.
US3259409A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corner construction
Assignee: Thomas Industries Inc
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Filing: 1964-04-06
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Granted: 1966-07-05
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Expires: 1984-04-06
Abstract
No abstract record available.
Inventors
- 👤 Edward R Chappell
- 👤 Richard C Lessner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:14
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/96; E06B3/988; E06B3/9885; Y; Y10; Y10T; Y10T403/00; Y10T403/46; Y10T403/4602
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
290 words
IN A CORNER CONSTRUCTION: A FIRST CHANNEL MEMBER HAVING SPACED APART ARM PORTIONS JOINED TOGETHER BY A WEB PORTION, ONE OF SAID ARM PORTIONS HAVING AN END EDGE TERMINATING AT AN ACUTE ANGLE WITH RESPECT TO THE PLANE OF SAID WEB PORTION, THE OTHER OF SAID ARM PORTIONS HAVING AN END PORTION OFFSET FROM THE PLANE OF SAID OTHER ARM PORTION IN THE DIRECTION OF SAID ARM PORTION, A FLANGE ELEMENT ON SAID ONE ARM PORTION, AND A RIDGE ELEMENT ON SAID OTHER ARM PORTION; A SECOND CHANNEL MEMBER HAVING SPACED APART ARM PORTIONS JOINED TOGETHER BY A WEB PORTION, ONE OF SAID SECOND MEMBER ARM PORTIONS HAVING AN END EDGE TERMINATING AT AN ACUTE ANGLE WITH RESPECT TO THE PLANE OF SAID SECOND MEMBER WEB PORTION, A FLANGE ELEMENT ON SAID ONE SECOND MEMBER ARM PORTION, SAID FLANGE ELEMENT HAVING A WING PORTION, A RIDGE ELEMENT ON THE OTHER SECOND MEMBER ARM PORTION, SAID RIDGE ELEMENT HAVING A PROJECTING FINGER PORTION, AND A TAB ELEMENT ON SAID WEB PORTION; AND MEANS SECURING SAID WING PORTION OF SAID SECOND CHANNEL MEMBER TO SAID FLANGE ELEMENT OF SAID FIRST CHANNEL MEMBER WITH SAID END EDGES OF SAID ONE ARM PORTIONS OF BOTH CHANNEL MEMBERS DISPOSED IN ABUTTING RELATION, WITH SAID OFFSET END PORTION OF SAID FIRST CHANNEL MEMBER DISPOSED IN OVERLAPPING RELATION TO THE ADJACENT END PORTION OF SAID OTHER ARM PORTION OF SAID SECOND CHANNEL MEMBER, WITH SAID TAB ELEMENT OF SAID SECOND CHANNEL MEMBER DISPOSED IN OVERLAPPING RELATION TO SAID WEB PORTION OF SAID FIRST CHANNEL MEMBER, AND WITH SAID FINGER PORTION OF SAID SECOND CHANNEL MEMBER DISPOSED IN OVERLAPPING RELATION TO SAID OTHER ARM PORTION OF SAID FIRST CHANNEL MEMBER ADJACENT ONE END OF THE RIDGE ELEMENT THEREOF.
Claim 2
Dependent Claim
290 words
IN A CORNER CONSTRUCTION: A FIRST CHANNEL MEMBER HAVING SPACED APART ARM PORTIONS JOINED TOGETHER BY A WEB PORTION, ONE OF SAID ARM PORTIONS HAVING AN END EDGE TERMINATING AT AN ACUTE ANGLE WITH RESPECT TO THE PLANE OF SAID WEB PORTION, THE OTHER OF SAID ARM PORTIONS HAVING AN END PORTION OFFSET FROM THE PLANE OF SAID OTHER ARM PORTION IN THE DIRECTION OF SAID ARM PORTION, A FLANGE ELEMENT ON SAID ONE ARM PORTION, AND A RIDGE ELEMENT ON SAID OTHER ARM PORTION; A SECOND CHANNEL MEMBER HAVING SPACED APART ARM PORTIONS JOINED TOGETHER BY A WEB PORTION, ONE OF SAID SECOND MEMBER ARM PORTIONS HAVING AN END EDGE TERMINATING AT AN ACUTE ANGLE WITH RESPECT TO THE PLANE OF SAID SECOND MEMBER WEB PORTION, A FLANGE ELEMENT ON SAID ONE SECOND MEMBER ARM PORTION, SAID FLANGE ELEMENT HAVING A WING PORTION, A RIDGE ELEMENT ON THE OTHER SECOND MEMBER ARM PORTION, SAID RIDGE ELEMENT HAVING A PROJECTING FINGER PORTION, AND A TAB ELEMENT ON SAID WEB PORTION; AND MEANS SECURING SAID WING PORTION OF SAID SECOND CHANNEL MEMBER TO SAID FLANGE ELEMENT OF SAID FIRST CHANNEL MEMBER WITH SAID END EDGES OF SAID ONE ARM PORTIONS OF BOTH CHANNEL MEMBERS DISPOSED IN ABUTTING RELATION, WITH SAID OFFSET END PORTION OF SAID FIRST CHANNEL MEMBER DISPOSED IN OVERLAPPING RELATION TO THE ADJACENT END PORTION OF SAID OTHER ARM PORTION OF SAID SECOND CHANNEL MEMBER, WITH SAID TAB ELEMENT OF SAID SECOND CHANNEL MEMBER DISPOSED IN OVERLAPPING RELATION TO SAID WEB PORTION OF SAID FIRST CHANNEL MEMBER, AND WITH SAID FINGER PORTION OF SAID SECOND CHANNEL MEMBER DISPOSED IN OVERLAPPING RELATION TO SAID OTHER ARM PORTION OF SAID FIRST CHANNEL MEMBER ADJACENT ONE END OF THE RIDGE ELEMENT THEREOF.
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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) | 1969-07-04 | 1970-01-03 | 1970-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-04 | 1974-01-03 | 1974-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-04 | 1978-01-03 | 1978-07-05 | $7700.00 | Window Closed / Lapsed |