US3127147A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Suspension device for a ceiling carrier
Assignee: —
•
Filing: —
•
Granted: 1964-03-31
•
Expires: 1981-03-31
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:45
CPC Classifications
E; E04; E04B; E04B9/00; E04B9/18; E04B9/20; E04B2009/186
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
A SUSPENSION DEVICE FOR A CEILING CARRIER, SAID CARRIER BEING ADAPTED TO CARRY PANELS OF A CEILING, IN PARTICULAR OF AN ACOUSTIC CEILING, SAID DEVICE COMPRISING A STRIP-LIKE ELEMENT PROVIDED WITH TWO LONGITUDINAL ROWS OF TAKE-UP MEANS, SAID TAKE-UP MEANS BEING LOCATED IN SPACED RELATION, A HELICAL SPRING FITTING IN SAID TAKE-UP MEANS AND HAVING A FREE END AND MEANS PROVIDED TO FIX THE CARRIER TO THE FREE END OF THE HELICAL SPRING, AT LEAST ONE OF THE WINDINGS OF SAID HELICAL SPRING HAVING A SMALLER PITCH THAN THE PITCH OF THE OTHER WINDINGS, THE PITCH OF SAID OTHER WINDINGS SUBSTANTIALLY CORRESPONDING WITH THE DISTANCE BETWEEN TWO CONSECUTIVE TAKE-UP MEANS IN THE STRIP-LIKE ELEMENT.
Claim 2
Dependent Claim
114 words
A SUSPENSION DEVICE FOR A CEILING CARRIER, SAID CARRIER BEING ADAPTED TO CARRY PANELS OF A CEILING, IN PARTICULAR OF AN ACOUSTIC CEILING, SAID DEVICE COMPRISING A STRIP-LIKE ELEMENT PROVIDED WITH TWO LONGITUDINAL ROWS OF TAKE-UP MEANS, SAID TAKE-UP MEANS BEING LOCATED IN SPACED RELATION, A HELICAL SPRING FITTING IN SAID TAKE-UP MEANS AND HAVING A FREE END AND MEANS PROVIDED TO FIX THE CARRIER TO THE FREE END OF THE HELICAL SPRING, AT LEAST ONE OF THE WINDINGS OF SAID HELICAL SPRING HAVING A SMALLER PITCH THAN THE PITCH OF THE OTHER WINDINGS, THE PITCH OF SAID OTHER WINDINGS SUBSTANTIALLY CORRESPONDING WITH THE DISTANCE BETWEEN TWO CONSECUTIVE TAKE-UP MEANS IN THE STRIP-LIKE ELEMENT.
References Cited (Backward Citations)
US190061A
Cited
US210027A
Cited
GB191500874A
Cited
US1893537A
Cited
US2050559A
Cited
US2702082A
Cited
US3058705A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-31 | 1967-09-30 | 1968-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-31 | 1971-09-30 | 1972-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-31 | 1975-09-30 | 1976-03-31 | $7700.00 | Window Closed / Lapsed |