Patent US3170731A successfully refreshed from Google Patents.
US3170731A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Upholstery assembly
Assignee: National Furniture Manufacturing Co Inc
•
Filing: 1961-08-10
•
Granted: 1965-02-23
•
Expires: 1981-08-10
Abstract
No abstract record available.
Inventors
- 👤 Daniel F Caldemeyer
- 👤 Lloyd O Caldemeyer
- 👤 Howard M Quakenbush
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 06:17
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/02; A47C7/28; A47C7/282
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A PREASSEMBLED UPHOLSTERY ASSEMBLY FOR THE SEAT PORTION OF UPHOLSTERED FURNITURE COMPRISING A FIRST CUSHIONING LAYER, A SECOND CUSHIONING LAYER DISPOSED OVER SAID FIRST CUSHIONING LAYER, A THIRD CUSHIONING LAYER DISPOSED ON A PORTION OF SAID SECOND CUSHIONING LAYER, A BASE FABRIC DISPOSED ON ANOTHER PORTION OF SAID SECOND CUSHIONING LAYER, AND A COVER FABRIC SECURED TO SAID BASE FABRIC AT A STITCHING LINE COMBINING SAID COVER FABRIC, SAID BASE FABRIC AND SAID SECOND CUSHIONING LAYER, SAID COVER FABRIC EXTENDING OVER SAID THIRD CUSHIONING LAYER AND CONCEALING SAID STITCHING LINE.
Claim 2
Dependent Claim
90 words
A PREASSEMBLED UPHOLSTERY ASSEMBLY FOR THE SEAT PORTION OF UPHOLSTERED FURNITURE COMPRISING A FIRST CUSHIONING LAYER, A SECOND CUSHIONING LAYER DISPOSED OVER SAID FIRST CUSHIONING LAYER, A THIRD CUSHIONING LAYER DISPOSED ON A PORTION OF SAID SECOND CUSHIONING LAYER, A BASE FABRIC DISPOSED ON ANOTHER PORTION OF SAID SECOND CUSHIONING LAYER, AND A COVER FABRIC SECURED TO SAID BASE FABRIC AT A STITCHING LINE COMBINING SAID COVER FABRIC, SAID BASE FABRIC AND SAID SECOND CUSHIONING LAYER, SAID COVER FABRIC EXTENDING OVER SAID THIRD CUSHIONING LAYER AND CONCEALING SAID STITCHING LINE.
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) | 1968-02-23 | 1968-08-24 | 1969-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-23 | 1972-08-24 | 1973-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-23 | 1976-08-24 | 1977-02-23 | $7700.00 | Window Closed / Lapsed |