US3297360A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chair
Assignee: Individual
•
Filing: 1965-04-23
•
Granted: 1967-01-10
•
Expires: 1985-04-23
Abstract
No abstract record available.
Inventors
- 👤 Holmstrom Erik Folke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:43
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/36; A47C7/40; A47C7/44; A47C7/445; A47C3/00; A47C3/02; A47C3/025; A47C3/0252; A47C3/026
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
A CHAIR COMPRISING SEAT MEANS HAVING A FRONT EDGE, LEG MEANS AND SPRING MEANS CONNECTING SAID SEAT MEANS TO SAID LEG MEANS, SAID SPRING MEANS CONSTITUTING THE SOLE CONNECTION BETWEEN SAID SEAT MEANS AND SAID LEG MEANS AND COMPRISING LEAF SPRING MEANS WITH TWO PAIRS OF SUBSTANTIALLY U-SHAPED ARMS, THE ARMS OF SAID ARM PAIRS HAVING DIFFERENT LENGTHS AND BEING DISPOSED IN SUBSTANTIALLY PARALLEL RELATIONSHIP WITH THE ARMS EXTENDING IN TWO SUPERPOSED SUBSTANTIALLY HORIZONTAL PLANES, THE SHORTER ARMS IN THE LOWER ONE OF SAID PLANES BEING CONNECTED WITH ONE ANOTHER AND WITH SAID LEG MEANS, AND THE LONGER
Claim 2
Dependent Claim
98 words
A CHAIR COMPRISING SEAT MEANS HAVING A FRONT EDGE, LEG MEANS AND SPRING MEANS CONNECTING SAID SEAT MEANS TO SAID LEG MEANS, SAID SPRING MEANS CONSTITUTING THE SOLE CONNECTION BETWEEN SAID SEAT MEANS AND SAID LEG MEANS AND COMPRISING LEAF SPRING MEANS WITH TWO PAIRS OF SUBSTANTIALLY U-SHAPED ARMS, THE ARMS OF SAID ARM PAIRS HAVING DIFFERENT LENGTHS AND BEING DISPOSED IN SUBSTANTIALLY PARALLEL RELATIONSHIP WITH THE ARMS EXTENDING IN TWO SUPERPOSED SUBSTANTIALLY HORIZONTAL PLANES, THE SHORTER ARMS IN THE LOWER ONE OF SAID PLANES BEING CONNECTED WITH ONE ANOTHER AND WITH SAID LEG MEANS, AND THE LONGER
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) | 1970-01-09 | 1970-07-11 | 1971-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-09 | 1974-07-11 | 1975-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-09 | 1978-07-11 | 1979-01-10 | $7700.00 | Window Closed / Lapsed |