Patent US3325831A successfully refreshed from Google Patents.
US3325831A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring
Assignee: MORLEY FURNITURE CO
•
Filing: 1966-02-01
•
Granted: 1967-06-20
•
Expires: 1986-02-01
Abstract
No abstract record available.
Inventors
- 👤 Lawton H Crosby
- 👤 Harold M Baum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:15
CPC Classifications
A; A47; A47C; A47C27/00; A47C27/04; A47C27/06; A47C27/066
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
IN A SPRING ASSEMBLY FOR A MATTRESS OR A BOX SPRING OR THE LIKE, INCLUDING UPPER BORDER MEANS AND LOWER BORDER MEANS INTERCONNECTED BY SPRING MEANS, THE IMPROVEMENT IN AN EDGE SPRING FOR CONNECTING THE UPPER AND LOWER BORDER MEANS TO PROVIDE RESILIENT, YET FIRM SUPPORT AT THE EDGE OF THE SPRING ASSEMBLY, COMPRISING: A SINUOUS WIRE SPRING HAVING A SERIES OF GENERALLY LINEAR SEGMENTS INTERCONNECTED BY A SERIES OF GENERALLY SEMICIRCULAR SEGMENTS, SAID SPRING BEING GENERALLY VERTICALLY DISPOSED IN OPERATIVE RELATIONSHIP AND INCLUDING A MAJOR CENTRAL SECTION BOWED IN AN ARC ABOUT A HORIZONTAL AXIS AND AN UPPER SECTION BENT FROM THE ARC OF SAID BOWED CENTRAL SECTION INTO A GENERALLY VERTICAL PLANE, SAID SPRING ADAPTED TO BE CONNECTED TO SAID LOWER BORDER MEANS AT ITS LOWER END AND TO SAID UPPER BORDER MEANS AT THE FREE END OF SAID UPPER SECTION.
Claim 2
Dependent Claim
143 words
IN A SPRING ASSEMBLY FOR A MATTRESS OR A BOX SPRING OR THE LIKE, INCLUDING UPPER BORDER MEANS AND LOWER BORDER MEANS INTERCONNECTED BY SPRING MEANS, THE IMPROVEMENT IN AN EDGE SPRING FOR CONNECTING THE UPPER AND LOWER BORDER MEANS TO PROVIDE RESILIENT, YET FIRM SUPPORT AT THE EDGE OF THE SPRING ASSEMBLY, COMPRISING: A SINUOUS WIRE SPRING HAVING A SERIES OF GENERALLY LINEAR SEGMENTS INTERCONNECTED BY A SERIES OF GENERALLY SEMICIRCULAR SEGMENTS, SAID SPRING BEING GENERALLY VERTICALLY DISPOSED IN OPERATIVE RELATIONSHIP AND INCLUDING A MAJOR CENTRAL SECTION BOWED IN AN ARC ABOUT A HORIZONTAL AXIS AND AN UPPER SECTION BENT FROM THE ARC OF SAID BOWED CENTRAL SECTION INTO A GENERALLY VERTICAL PLANE, SAID SPRING ADAPTED TO BE CONNECTED TO SAID LOWER BORDER MEANS AT ITS LOWER END AND TO SAID UPPER BORDER MEANS AT THE FREE END OF SAID UPPER SECTION.
References Cited (Backward Citations)
US3098244A
Cited
US2102066A
Cited
US2593831A
Cited
US2709819A
Cited
US2826768A
Cited
US3200417A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-19 | 1970-12-19 | 1971-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-19 | 1974-12-19 | 1975-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-19 | 1978-12-19 | 1979-06-20 | $7700.00 | Window Closed / Lapsed |