US3312503A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Paperboard chair
Assignee: Individual
•
Filing: 1965-08-19
•
Granted: 1967-04-04
•
Expires: 1985-08-19
Abstract
No abstract record available.
Inventors
- 👤 Suzuki Tom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:33
CPC Classifications
A; A47; A47C; A47C5/00; A47C5/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
218 words
IN A CHAIR MADE OF STIFF SHEET MATERIAL, THE COMBINATION OF: TWO SIDE PANELS FORMING THE TWO OPPOSITE SIDES OF THE CHAIR, SAID SIDE PANELS HAVING UPWARD EXTENSIONS AT THEIR REAR EDGES FORMING PARTS OF THE BACK REST OF THE CHAIR; A BACK PANEL INTERCONNECTING THE TWO SIDE PANELS; A PAIR OF SUPPORT PANELS CONNECTED TO THE FRONT EDGES OF THE SIDE PANELS RESPECTIVELY AND CONVERGING REARWARDLY THEREFROM; A BACK REST PANEL SUPPORTED BY THE UPWARD EXTENSIONS OF THE TWO SIDE PANELS; AND A SEAT PANEL SUPPORTED ADJACENT ITS SIDE EDGES BY THE TWO SIDE PANELS AND SUPPORTED CENTRALLY BY THE CONVERGING SUPPORT PANELS, SAID PAIR OF SUPPORT PANELS BEING FORMED WITH TONGUES AND SLOTS FOR MUTUAL ENGAGEMENT AT THEIR CONVERGING ENDS, SAID SEAT PANEL HAVING A FORWARD FLAP, SAID FLAP BEING FORMED WITH TONGUES AND SAID CONVEGING SUPPORT PANELS BEING FORMED WITH SLOTS TO RECEIVE THE TONGUES, SAID BACK REST PANEL BEING PROVIDED WITH A FLAP TO EXTEND REARWARD OVER THE BACK OF THE CHAIR, SAID LAST MENTIONED FLAP BEING FORMED WITH TONGUES AND SAID BACK PANEL BEING FORMED WITH SLOTS TO RECEIVE THE TONGUES, SAID SEAT PANEL, BACK REST PANEL AND THE TWO FLAPS CONSTITUTING A SINGLE BLANK OF THE SHEET MATERIAL, THE REMAINING PANELS OF THE CHAIR CONSTITUTINGA A SECOND BLANK OF THE SHEET MATERIAL.
Claim 2
Dependent Claim
218 words
IN A CHAIR MADE OF STIFF SHEET MATERIAL, THE COMBINATION OF: TWO SIDE PANELS FORMING THE TWO OPPOSITE SIDES OF THE CHAIR, SAID SIDE PANELS HAVING UPWARD EXTENSIONS AT THEIR REAR EDGES FORMING PARTS OF THE BACK REST OF THE CHAIR; A BACK PANEL INTERCONNECTING THE TWO SIDE PANELS; A PAIR OF SUPPORT PANELS CONNECTED TO THE FRONT EDGES OF THE SIDE PANELS RESPECTIVELY AND CONVERGING REARWARDLY THEREFROM; A BACK REST PANEL SUPPORTED BY THE UPWARD EXTENSIONS OF THE TWO SIDE PANELS; AND A SEAT PANEL SUPPORTED ADJACENT ITS SIDE EDGES BY THE TWO SIDE PANELS AND SUPPORTED CENTRALLY BY THE CONVERGING SUPPORT PANELS, SAID PAIR OF SUPPORT PANELS BEING FORMED WITH TONGUES AND SLOTS FOR MUTUAL ENGAGEMENT AT THEIR CONVERGING ENDS, SAID SEAT PANEL HAVING A FORWARD FLAP, SAID FLAP BEING FORMED WITH TONGUES AND SAID CONVEGING SUPPORT PANELS BEING FORMED WITH SLOTS TO RECEIVE THE TONGUES, SAID BACK REST PANEL BEING PROVIDED WITH A FLAP TO EXTEND REARWARD OVER THE BACK OF THE CHAIR, SAID LAST MENTIONED FLAP BEING FORMED WITH TONGUES AND SAID BACK PANEL BEING FORMED WITH SLOTS TO RECEIVE THE TONGUES, SAID SEAT PANEL, BACK REST PANEL AND THE TWO FLAPS CONSTITUTING A SINGLE BLANK OF THE SHEET MATERIAL, THE REMAINING PANELS OF THE CHAIR CONSTITUTINGA A SECOND BLANK OF THE SHEET MATERIAL.
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) | 1970-04-03 | 1970-10-03 | 1971-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-03 | 1974-10-03 | 1975-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-03 | 1978-10-03 | 1979-04-04 | $7700.00 | Window Closed / Lapsed |