US3108334A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Suspension device for ceiling boards and the like
Assignee: Individual
•
Filing: 1958-07-21
•
Granted: 1963-10-29
•
Expires: 1978-07-21
Abstract
No abstract record available.
Inventors
- 👤 Lindstrom Olov
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:53
CPC Classifications
E; E04; E04B; E04B9/00; E04B9/22; E04B9/24; E04B9/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
A CEILING BOARD INSTALLATION, COMPRISING A PLURALITY OF CEILING BOARDS HAVING UPSTANDING FLANGES AROUND THE EDGES THEREOF AND HAVING APERTURES IN SAID FLANGES, THE APERTURES IN ABUTTING ADJACENT FLANGES BEING ALIGNED, AND A PLURALITY OF SUSPENSION DEVICES EACH COMPRISING A FASTENING MEANS, AT LEAST ONE PAIR OF RESILIENT TONGUES DEPENDING FROM SAID FASTENING MEANS, AND OPPOSITELY FACING VSHAPED CONVOLUTIONS ON THE ENDS OF SAID TONGUES, SAID CONVOLUTIONS HAVING UPPER PARTS EXTENDING SUBSTANTIALLY HORIZONTALLY TOWARD AND PAST EACH OTHER AND HAVING LOWER PARTS EXTENDING OBLIQUELY DOWNWARDLY TOWARD AND CROSSING EACH OTHER, SAID V-SHAPED CONVOLUTIONS EXTENDING INTO SAID APERTURES AND THE UPPER EDGES OF SAID APERTURES RESTING ON SAID SUNSTANTIALLY HORIZONTAL UPPER PARTS TO SUPPORT SAID CEILING BOARDS.
Claim 2
Dependent Claim
116 words
A CEILING BOARD INSTALLATION, COMPRISING A PLURALITY OF CEILING BOARDS HAVING UPSTANDING FLANGES AROUND THE EDGES THEREOF AND HAVING APERTURES IN SAID FLANGES, THE APERTURES IN ABUTTING ADJACENT FLANGES BEING ALIGNED, AND A PLURALITY OF SUSPENSION DEVICES EACH COMPRISING A FASTENING MEANS, AT LEAST ONE PAIR OF RESILIENT TONGUES DEPENDING FROM SAID FASTENING MEANS, AND OPPOSITELY FACING VSHAPED CONVOLUTIONS ON THE ENDS OF SAID TONGUES, SAID CONVOLUTIONS HAVING UPPER PARTS EXTENDING SUBSTANTIALLY HORIZONTALLY TOWARD AND PAST EACH OTHER AND HAVING LOWER PARTS EXTENDING OBLIQUELY DOWNWARDLY TOWARD AND CROSSING EACH OTHER, SAID V-SHAPED CONVOLUTIONS EXTENDING INTO SAID APERTURES AND THE UPPER EDGES OF SAID APERTURES RESTING ON SAID SUNSTANTIALLY HORIZONTAL UPPER PARTS TO SUPPORT SAID CEILING BOARDS.
References Cited (Backward Citations)
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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) | 1966-10-28 | 1967-04-29 | 1967-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-28 | 1971-04-29 | 1971-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-28 | 1975-04-29 | 1975-10-29 | $7700.00 | Window Closed / Lapsed |