Patent US2042250A successfully refreshed from Google Patents.
US3562995A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Components of structures for the assembly of panels
Assignee: Individual
•
Filing: 1968-11-19
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Granted: 1971-02-16
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Expires: 1988-11-19
Abstract
Abstract MEMBER FOR SUPPORTING PARTITION PANELS HAS A Z-SHAPED CROSS-SECTION. F-SHAPED END PIECE AT EACH END OF MEMBER, CROSS BARS OF F BEING PERENDICULAR TO END PORTION OF Z, THEREBY FORMING TWO GROOVES FOR ACCOMMODATING AUXILIARY MEMBERS. IN ALTERNATIVE EMBODIMENT, MEMBER HAS RECTANGULAR CROSS-SECTION FORMED WITH TWO OUTWARDLYFACING GROOVES AT THE ENDS OF ITS SIDES, AND TWO OPPOSITE ENDS HAVING PERPENDICULAR EXTENSIONS COMPRISING BACK-TOBACK F-SHAPED ELEMENTS.
Inventors
- 👤 Charles Emile Zwickert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:06
CPC Classifications
E; E04; E04B; E04B2/00; E04B2/74; E04B2/76; E04B2/78
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-15 | 1974-08-17 | 1975-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-15 | 1978-08-17 | 1979-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-15 | 1982-08-17 | 1983-02-16 | $7700.00 | Window Closed / Lapsed |