US3213979A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Suspended ceiling
Assignee: LOK PRODUCTS Co
•
Filing: 1962-09-20
•
Granted: 1965-10-26
•
Expires: 1982-09-20
Abstract
No abstract record available.
Inventors
- 👤 Philip R Oiler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:19
CPC Classifications
E; E04; E04B; E04B9/00; E04B9/06; E04B9/12; E04B9/122; Y; Y10; Y10S; Y10S52/00; Y10S52/05; Y10T; Y10T403/00; Y10T403/44; Y10T403/447
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
138 words
IN A SUSPENDED CEILING THE COMBINATION OF: A LONGITUDINAL RUNNER HAVING GENERALLY FLANGED CROSS-SECTION WITH A SLOT THROUGHT HE UPRIGHT LEG THEREOF, A PAIR OF TRANSVERSE RUNNERS HAVING GENERALLY FLANGED ACROSS SECTIONS, A LOOP AFFIXED TO THE END OF ONE TRANSVERSE RUNNER PROJECTING THROUGH SAID SLOT, A HOOK AFFIXED TO THE END OF THE OTHER RUNNER HOOKING THROUGH THAT PORTION OF SAID LOOP PROJECTING THROUGH SAID SLOT, SAID HOOK AND LOOP BEING FORMED SO THAT THE FLANGED EXTREMITIES OF SAID TRANSVERSE RUNNERS ABUT THE FLANGES OF SAID LONGITUDINAL RUNNER WHEN THE HOOK IS IN THE LOOP, SAID LOOP HAVING SHOULDERS FORMED THEREON ABUTTING ONE SIDE OF THE UPRIGHT LEG OF SAID LONGITUDINAL RUNNER, SAID HOOK HAVING A PORTION WHICH ABUTS THE OTHER SIDE OF SAID UPRIGHT LEG, SAID HOOK AND LOOP HAVING ALIGNED PROTUBERANCE AND DEPRESSION FORMED THEREON.
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) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |