Patent US3136397A successfully refreshed from Google Patents.
US3136397A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Assembly of acoustical panels with retainers
Assignee: ECKEL INDUSTRIES Inc
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Filing: 1958-01-02
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Granted: 1964-06-09
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Expires: 1978-01-02
Abstract
No abstract record available.
Inventors
- 👤 Oliver C Eckel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 00:52
CPC Classifications
E; E04; E04F; E04F19/00; E04F19/02; E04F19/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
AN ASSEMBLY IN COMBINATION WITH TWO ANGULARLY ADJOINING WALLS AND A CEILING, SAID ASSEMBLY COMPRISING A PLURALITY OF PANELS, A FIRST OF SAID PANELS EXTENDING ALONG SAID CEILING FROM THE FIRST OF SAID WALLS, A SECOND OF SAID PANELS EXTENDING ALONG A FIRST SAID WALL AND EXTENDING BELOW SAID CEILING PANEL, A Z-SHAPED RETAINER EMBODYING ONE ANGULAR PORTION ATTACHED TO SAID FIRST WALL, ANOTHER ANGULAR PORTION EXTENDING LATERALLY AWAY FROM SAID WALL AND DIRECTLY BELOW SAID FIRST CEILING PANEL AND ABOVE SAID SECOND PANEL, AND A THIRD ANGULAR PORTION EXTENDING DOWNWARDLY AWAY FROM SAID CEILING PANEL, SAID CEILING FIRST PANEL RESTING ON SAID RETAINER OTHER ANGULAR PORTION.
Claim 2
Dependent Claim
107 words
AN ASSEMBLY IN COMBINATION WITH TWO ANGULARLY ADJOINING WALLS AND A CEILING, SAID ASSEMBLY COMPRISING A PLURALITY OF PANELS, A FIRST OF SAID PANELS EXTENDING ALONG SAID CEILING FROM THE FIRST OF SAID WALLS, A SECOND OF SAID PANELS EXTENDING ALONG A FIRST SAID WALL AND EXTENDING BELOW SAID CEILING PANEL, A Z-SHAPED RETAINER EMBODYING ONE ANGULAR PORTION ATTACHED TO SAID FIRST WALL, ANOTHER ANGULAR PORTION EXTENDING LATERALLY AWAY FROM SAID WALL AND DIRECTLY BELOW SAID FIRST CEILING PANEL AND ABOVE SAID SECOND PANEL, AND A THIRD ANGULAR PORTION EXTENDING DOWNWARDLY AWAY FROM SAID CEILING PANEL, SAID CEILING FIRST PANEL RESTING ON SAID RETAINER OTHER ANGULAR PORTION.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-09 | 1967-12-09 | 1968-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-09 | 1971-12-09 | 1972-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-09 | 1975-12-09 | 1976-06-09 | $7700.00 | Window Closed / Lapsed |