US3133765A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chair
Assignee: ION CORP
•
Filing: 1962-08-30
•
Granted: 1964-05-19
•
Expires: 1982-08-30
Abstract
No abstract record available.
Inventors
- 👤 Gideon A Kramer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:44
CPC Classifications
A; A47; A47C; A47C5/00; A47C5/12; A47C3/00; A47C3/12; A47C4/00; A47C4/02; A47C4/03; A47C7/00; A47C7/002; A47C7/02; A47C7/16; Y; Y10; Y10S; Y10S297/00; Y10S297/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
A CHAIR, COMPRISING: A GENERALLY L-SHAPED UNITARY CHAIR SHELL FORMING A SEAT AND BACK, THE BODY-CONTACTING SURFACE OF SAID SHELL BEING CONCAVE FROM SIDE TO SIDE AND SAID SHELL INCLUDING FORWARDLY AND OUTWARDLY EXTENDING SIDE PORTIONS ON THE BACK THEREOF AND UPWARDLY AND OUTWARDLY EXTENDING SIDE PORTIONS ON THE SEAT THEREOF, AND SAID SIDE PORTIONS HAVING REVERSE FORMED FLANGES THEREON TO ENHANCE THE RIGIDIZING BEAM EFFECT OF SAID CONCAVITY AND SIDE PORTIONS, SAID FLANGES EXTENDING ALONG THE SIDES OF SAID SHELL BETWEEN THE SEAT AND BACK; FIRST RESILIENT MOUNTING MEANS SECURED TO THE REAR OF SAID CHAIR BACK AND SECOND RESILIENT MOUNTING MEANS SECURED TO THE UNDERSIDE OF SAID CHAIR SEAT; AND CHAIR SUPPORTING FRAME MEANS HAVING A CENTRAL SUPPORTING COLUMN INCLUDING LEGS AND HAVING SUPPORTING FRAME MEMBERS SECURELY CONNECTED TO SAID FIRST AND SECOND RESILIENT MOUNTING MEANS.
Claim 2
Dependent Claim
138 words
A CHAIR, COMPRISING: A GENERALLY L-SHAPED UNITARY CHAIR SHELL FORMING A SEAT AND BACK, THE BODY-CONTACTING SURFACE OF SAID SHELL BEING CONCAVE FROM SIDE TO SIDE AND SAID SHELL INCLUDING FORWARDLY AND OUTWARDLY EXTENDING SIDE PORTIONS ON THE BACK THEREOF AND UPWARDLY AND OUTWARDLY EXTENDING SIDE PORTIONS ON THE SEAT THEREOF, AND SAID SIDE PORTIONS HAVING REVERSE FORMED FLANGES THEREON TO ENHANCE THE RIGIDIZING BEAM EFFECT OF SAID CONCAVITY AND SIDE PORTIONS, SAID FLANGES EXTENDING ALONG THE SIDES OF SAID SHELL BETWEEN THE SEAT AND BACK; FIRST RESILIENT MOUNTING MEANS SECURED TO THE REAR OF SAID CHAIR BACK AND SECOND RESILIENT MOUNTING MEANS SECURED TO THE UNDERSIDE OF SAID CHAIR SEAT; AND CHAIR SUPPORTING FRAME MEANS HAVING A CENTRAL SUPPORTING COLUMN INCLUDING LEGS AND HAVING SUPPORTING FRAME MEMBERS SECURELY CONNECTED TO SAID FIRST AND SECOND RESILIENT MOUNTING MEANS.
References Cited (Backward Citations)
US2535116A
Cited
US2482614A
Cited
US2745468A
Cited
DE933291C
Cited
US2788846A
Cited
US2808875A
Cited
US3027195A
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 |