US3133764A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Articulation device for a chair with a tilting back
Assignee: Krestis Anstalt
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Filing: 1961-10-16
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Granted: 1964-05-19
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Expires: 1981-10-16
Abstract
No abstract record available.
Inventors
- 👤 Hans J Naef
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:08
CPC Classifications
B; B60; B60N; B60N2/00; B60N2/02; B60N2/22; B60N2/23
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
AN ARTICULATION DEVICE FOR A CHAIR HAVING A FRAME, A SEAT AND A TILTING BACK AND COMPRISING A FIXED MEMBER FAST WITH SAID SEAT AND A MOBILE MEMBER FAST WITH THE BACK, SAID ARTICULATION DEVICE PIVOTING SAID MOBILE MEMBER WITH RESPECT TO SAID FIXED MEMBER, AND ELASTIC RETURN MEANS CONNECTING SAID FIXED MEMBER TO SAID MOBILE MEMBER FOR BIASING THE BACK ONTO THE SEAT OF THE CHAIR, SAID ARTICULATION DEVICE INCLUDING MEANS FOR LINEARLY LOCKING THE ANGULAR POSITIONS OF SAID MOBILE MEMBER WITH RESPECT TO SAID FIXED MEMBER, SAID ELASTIC RETURN MEANS AND SAID LINEAR LOCKING MEANS BEING WHOLLY HOUSED IN THE INSIDE OF ELEMENTS FORMING SAID FRAME OF THE CHAIR.
Claim 2
Dependent Claim
111 words
AN ARTICULATION DEVICE FOR A CHAIR HAVING A FRAME, A SEAT AND A TILTING BACK AND COMPRISING A FIXED MEMBER FAST WITH SAID SEAT AND A MOBILE MEMBER FAST WITH THE BACK, SAID ARTICULATION DEVICE PIVOTING SAID MOBILE MEMBER WITH RESPECT TO SAID FIXED MEMBER, AND ELASTIC RETURN MEANS CONNECTING SAID FIXED MEMBER TO SAID MOBILE MEMBER FOR BIASING THE BACK ONTO THE SEAT OF THE CHAIR, SAID ARTICULATION DEVICE INCLUDING MEANS FOR LINEARLY LOCKING THE ANGULAR POSITIONS OF SAID MOBILE MEMBER WITH RESPECT TO SAID FIXED MEMBER, SAID ELASTIC RETURN MEANS AND SAID LINEAR LOCKING MEANS BEING WHOLLY HOUSED IN THE INSIDE OF ELEMENTS FORMING SAID FRAME OF THE CHAIR.
References Cited (Backward Citations)
US648715A
Cited
US1271561A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-19 | 1967-11-18 | 1968-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-19 | 1971-11-18 | 1972-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-19 | 1975-11-18 | 1976-05-19 | $7700.00 | Window Closed / Lapsed |