Patent US3127221A successfully refreshed from Google Patents.
US3127221A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chair
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
2026-11-04 20:04
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/02; A47C7/16; A47C3/00; A47C3/12; Y; Y10; Y10S; Y10S297/00; Y10S297/02; Y10S297/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
A CHAIR SHELL COMPRISING: A ONE PIECE SHELL HAVING A SEAT AND AN UPSTANDING BACK; SAID BACK INCLUDING A LOWER COMPRESSION PORTION AT THE JUNCTURE WITH SAID SEAT; AND SAID COMPRESSION PORTION BEING CURVED FROM SIDE TO SIDE TO FORM A FORWARDLY FACING CONCAVITY, ALL SECTIONS OF SAID COMPRESSION PORTION BEING AT AN OBTUSE ANGEL WITH RESPECT TO THE UPPER PORTION OF SAID BACK, AND SAID COMPRESSION PORTION SUBSTANTIALLY RESEMBLING A SECTION OF A CONE SLICED ON A PLANE PARALLEL TO THE AXIS OF THE CONE.
Claim 2
Dependent Claim
86 words
A CHAIR SHELL COMPRISING: A ONE PIECE SHELL HAVING A SEAT AND AN UPSTANDING BACK; SAID BACK INCLUDING A LOWER COMPRESSION PORTION AT THE JUNCTURE WITH SAID SEAT; AND SAID COMPRESSION PORTION BEING CURVED FROM SIDE TO SIDE TO FORM A FORWARDLY FACING CONCAVITY, ALL SECTIONS OF SAID COMPRESSION PORTION BEING AT AN OBTUSE ANGEL WITH RESPECT TO THE UPPER PORTION OF SAID BACK, AND SAID COMPRESSION PORTION SUBSTANTIALLY RESEMBLING A SECTION OF A CONE SLICED ON A PLANE PARALLEL TO THE AXIS OF THE CONE.
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) | 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 |