US3178221A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable spring seat
Assignee: Individual
•
Filing: 1962-09-24
•
Granted: 1965-04-13
•
Expires: 1982-09-24
Abstract
No abstract record available.
Inventors
- 👤 Schwarz Johann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 03:40
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/36; A47C7/40; A47C7/44; A47C7/445; A47C7/02; A47C7/34; A47C7/345; A47C7/441; A47C7/443; B; B60; B60N; B60N2/00; B60N2/50; B60N2/54; B60N2/544; B60N2/546; B60N2/70; B60N2/7023; B60N2/7035; B60N2/7047; B60N2/7058; B60N2/7064; B60N2/7094
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
A SPRING SUPPORTED UPHOLSTERED SEAT COMPRISING A SEAT, ADJUSTMENT SPRING MEANS HAVING FIRST AND SECOND END PORTIONS, PIVOT MEANS PIVOTALLY SUPPORTING SAID ADJUSTMENT SPRING MEANS, AND ADJUSTING MEANS FOR ADJUSTABLY PIVOTING SAID ADJUSTMENT SPRING MEANS THROUGH SAID FIRST END PORTION AND URGING THE SECOND END PORTION CONSTANTLY BENEATH AND AGAINST THE SEAT IN A VERTICAL DIRECTION AT A PREDETERMINED FORCE TO AFFECT THE CUSHIONING CHARACTERISTICS OF THE SEAT.
Claim 2
Dependent Claim
68 words
A SPRING SUPPORTED UPHOLSTERED SEAT COMPRISING A SEAT, ADJUSTMENT SPRING MEANS HAVING FIRST AND SECOND END PORTIONS, PIVOT MEANS PIVOTALLY SUPPORTING SAID ADJUSTMENT SPRING MEANS, AND ADJUSTING MEANS FOR ADJUSTABLY PIVOTING SAID ADJUSTMENT SPRING MEANS THROUGH SAID FIRST END PORTION AND URGING THE SECOND END PORTION CONSTANTLY BENEATH AND AGAINST THE SEAT IN A VERTICAL DIRECTION AT A PREDETERMINED FORCE TO AFFECT THE CUSHIONING CHARACTERISTICS OF THE SEAT.
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) | 1968-04-12 | 1968-10-12 | 1969-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-12 | 1972-10-12 | 1973-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-12 | 1976-10-12 | 1977-04-13 | $7700.00 | Window Closed / Lapsed |