US3184227A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seat spring arrangement
Assignee: Individual
•
Filing: 1964-03-06
•
Granted: 1965-05-18
•
Expires: 1984-03-06
Abstract
No abstract record available.
Inventors
- 👤 Sr Charles S Viall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:14
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/02; A47C7/025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
182 words
A SEAT CUSHION SUPPORT COMPRISING A PLATFORM MEANS ADAPTED TOO SUPPORT SEAT CUSHION MEANS, A FIXED STRUCTURE, AND SPRING MEANS INTERCONNECTING SAID PLATFORM MEANS AND SAID FIXED STRUCTURE, SAID SPRING MEANS INCLUDING AT LEAST TWO SPRING UNITS FOR SUPPORTING SAID PLATFORM MEANS WITH RESPECT TO SAID FIXED STRUCTURE, EACH OF SAID UNITS INCLUDING A HELICAL COIL PORTION, AN UPPER LEG AND A LOWER LEG, SAID UPPER LEG EXTENDING LATERALLY FROM ONE END OF SAID HELICAL COIL PORTION TO A PORTION ADJACENT SAID PLATFORM MEANS AND INCLUDING A PORTION EXTENDING FROM SAID POSITION INWARDLY WITH RESPECT TO THE AXIS OF SAID COIL, SAID LOWER LEG EXTENDING LATERALLY FROM THE OPPOSITE END OF SAID COIL MEANS TO A POSITION ADJACENT SAID FIXED STRUCTURE AND INCLUDING A PORTION EXTENDING FROM SAID POSITION INWARDLY WITH RESPECT TO SAID AXIS OF SAID COIL, SAID PORTIONS OF SAID UPPER AND LOWER LEGS BEING SUBSTANTIALLY PARALLEL, AND EXTENDING IN OPPOSITE DIRECTIONS, MEANS RIGIDLY CONNECTING SAID PORTION OF SAID UPPER LEG TO SAID FRAME AND MEANS PIVOTALLY CONNECTING SAID INWARDLY EXTENDING PORTION OF SAID LOWER LEG TO SAID FIXED STRUCTURE.
Claim 2
Dependent Claim
182 words
A SEAT CUSHION SUPPORT COMPRISING A PLATFORM MEANS ADAPTED TOO SUPPORT SEAT CUSHION MEANS, A FIXED STRUCTURE, AND SPRING MEANS INTERCONNECTING SAID PLATFORM MEANS AND SAID FIXED STRUCTURE, SAID SPRING MEANS INCLUDING AT LEAST TWO SPRING UNITS FOR SUPPORTING SAID PLATFORM MEANS WITH RESPECT TO SAID FIXED STRUCTURE, EACH OF SAID UNITS INCLUDING A HELICAL COIL PORTION, AN UPPER LEG AND A LOWER LEG, SAID UPPER LEG EXTENDING LATERALLY FROM ONE END OF SAID HELICAL COIL PORTION TO A PORTION ADJACENT SAID PLATFORM MEANS AND INCLUDING A PORTION EXTENDING FROM SAID POSITION INWARDLY WITH RESPECT TO THE AXIS OF SAID COIL, SAID LOWER LEG EXTENDING LATERALLY FROM THE OPPOSITE END OF SAID COIL MEANS TO A POSITION ADJACENT SAID FIXED STRUCTURE AND INCLUDING A PORTION EXTENDING FROM SAID POSITION INWARDLY WITH RESPECT TO SAID AXIS OF SAID COIL, SAID PORTIONS OF SAID UPPER AND LOWER LEGS BEING SUBSTANTIALLY PARALLEL, AND EXTENDING IN OPPOSITE DIRECTIONS, MEANS RIGIDLY CONNECTING SAID PORTION OF SAID UPPER LEG TO SAID FRAME AND MEANS PIVOTALLY CONNECTING SAID INWARDLY EXTENDING PORTION OF SAID LOWER LEG TO SAID FIXED STRUCTURE.
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) | 1968-05-17 | 1968-11-16 | 1969-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-17 | 1972-11-16 | 1973-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-17 | 1976-11-16 | 1977-05-18 | $7700.00 | Window Closed / Lapsed |