US3206251A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chair structure and method for making same
Assignee: Individual
•
Filing: 1963-06-17
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Granted: 1965-09-14
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Expires: 1983-06-17
Abstract
No abstract record available.
Inventors
- 👤 Joel G Stevens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:07
CPC Classifications
A; A47; A47C; A47C3/00; A47C3/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
A CHAIR STRUCTURE, COMPRISING: A CHAIR SHELL MADE OF A SINGLE SHEET OF FLAT, RELATIVELY THIN, ESSENTIALLY RIGID MATERIAL, SAID SHELL BEING FORMED FROM A PATTERN IN WHICH SECTIONS OF SAID PATTERNS ARE OVERLAPPED TO DEFINE A DOUBLE THICKNESS SEAT AREA LEAVING THE SIDE PORTIONS ADJACENT SAID SEAT AREA AND THE BACK PORTION OF SAID SHELL IN SINGLE THICKNESS, SAID SHELL BEING FORMED ON NATURAL, ESSENTIALLY CONELIKE CURVES AROUND A HOLE MEANS CENTERED WITH RESPECT TO THE SIDE EDGES OF SAID SHELL AND FROM WHCIH HOLE MEANS SAID SEAT, SIDE PORTIONS AND BACK PORTION ARE GENERATED; AND A CHAIR SHELL SUPPORTING STRUCTURE ATTACHED TO SAID SHELL BY SECURING MEANS DESIGNED TO BE INSERTED THROUGH SAID DOUBLE THICKNESS SEAT PORTION FOR MAINTAINING SAID DOUBLE THICKNESS SEAT, SAID SUPPORTING STRUCTURE BEING ENTIRELY FREE OF MEANS FOR SUPPORTING SAID BACK PORTION OF SAID SHELL.
Claim 2
Dependent Claim
141 words
A CHAIR STRUCTURE, COMPRISING: A CHAIR SHELL MADE OF A SINGLE SHEET OF FLAT, RELATIVELY THIN, ESSENTIALLY RIGID MATERIAL, SAID SHELL BEING FORMED FROM A PATTERN IN WHICH SECTIONS OF SAID PATTERNS ARE OVERLAPPED TO DEFINE A DOUBLE THICKNESS SEAT AREA LEAVING THE SIDE PORTIONS ADJACENT SAID SEAT AREA AND THE BACK PORTION OF SAID SHELL IN SINGLE THICKNESS, SAID SHELL BEING FORMED ON NATURAL, ESSENTIALLY CONELIKE CURVES AROUND A HOLE MEANS CENTERED WITH RESPECT TO THE SIDE EDGES OF SAID SHELL AND FROM WHCIH HOLE MEANS SAID SEAT, SIDE PORTIONS AND BACK PORTION ARE GENERATED; AND A CHAIR SHELL SUPPORTING STRUCTURE ATTACHED TO SAID SHELL BY SECURING MEANS DESIGNED TO BE INSERTED THROUGH SAID DOUBLE THICKNESS SEAT PORTION FOR MAINTAINING SAID DOUBLE THICKNESS SEAT, SAID SUPPORTING STRUCTURE BEING ENTIRELY FREE OF MEANS FOR SUPPORTING SAID BACK PORTION OF SAID SHELL.
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) | 1968-09-13 | 1969-03-15 | 1969-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-13 | 1973-03-15 | 1973-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-13 | 1977-03-15 | 1977-09-14 | $7700.00 | Window Closed / Lapsed |