Patent US3120031A successfully refreshed from Google Patents.
US3120031A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Movable partition construction
Assignee: EF Hauserman Co
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Filing: 1959-03-10
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Granted: 1964-02-04
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Expires: 1979-03-10
Abstract
No abstract record available.
Inventors
- 👤 John A Bohnsack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:17
CPC Classifications
E; E04; E04B; E04B2/00; E04B2/74; E04B2/76; E04B2/78
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A PANEL WALL CONSTRUCTION COMPRISING TOP AND BOTTOM MEMBERS, PANEL WALL SECTIONS INTERCONNECTED PERPENDICULAR TO EACH OTHER EXTENDING BETWEEN SAID TOP AND BOTTOM MEMBERS EACH COMPRISING LATERALLY SPACED FACE PLATES HAVING INNER AND OUTER SURFACES, VERTICAL END MEMBERS ON SAID PANEL WALL SECTIONS, AND KEYS INTERCONNECTING ADJOINING VERTICAL END MEMBERS THUS TO CONNECT ADJOINING PANEL WALL SECTIONS, SAID END MEMBERS BEING MORE NARROW THAN SAID PANEL WALL SECTIONS AND HAVING MITER EDGE FLANGES WHEREBY SAID FLANGES ARE RECESSED FROM THE OUTER SURFACE OF SAID FACE PLATES, THE OUTER FACES OF SAID EDGE FLANGES LYING IN
Claim 2
Dependent Claim
95 words
A PANEL WALL CONSTRUCTION COMPRISING TOP AND BOTTOM MEMBERS, PANEL WALL SECTIONS INTERCONNECTED PERPENDICULAR TO EACH OTHER EXTENDING BETWEEN SAID TOP AND BOTTOM MEMBERS EACH COMPRISING LATERALLY SPACED FACE PLATES HAVING INNER AND OUTER SURFACES, VERTICAL END MEMBERS ON SAID PANEL WALL SECTIONS, AND KEYS INTERCONNECTING ADJOINING VERTICAL END MEMBERS THUS TO CONNECT ADJOINING PANEL WALL SECTIONS, SAID END MEMBERS BEING MORE NARROW THAN SAID PANEL WALL SECTIONS AND HAVING MITER EDGE FLANGES WHEREBY SAID FLANGES ARE RECESSED FROM THE OUTER SURFACE OF SAID FACE PLATES, THE OUTER FACES OF SAID EDGE FLANGES LYING IN
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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) | 1967-02-03 | 1967-08-05 | 1968-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-03 | 1971-08-05 | 1972-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-03 | 1975-08-05 | 1976-02-04 | $7700.00 | Window Closed / Lapsed |