US3026544A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Upholstery structures of resilient polyurethane and method of making same
Assignee: Sumitomo Rubber USA LLC
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Filing: 1956-07-17
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Granted: 1962-03-27
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Expires: 1976-07-17
Abstract
No abstract record available.
Inventors
- 👤 Persicke Herbert
- 👤 Schwab Robert
- 👤 Schilling Helmut
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:08
CPC Classifications
A; A47; A47C; A47C27/00; A47C27/14; A47C27/142; A47C27/144; A47C27/15; Y; Y10; Y10S; Y10S297/00; Y10S297/01; Y10T; Y10T428/00; Y10T428/24; Y10T428/24025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
32 words
AN UPHOLSTERY STRUCTURE OF TWO UNITS EACH HAVING ONE PLANE SURFACE AND AN OPPOSITE UNDULATING SURFACE, THE UNDULATING SURFACE OF ONE UNIT BEING OPPOSED TO THE UNDULATING SURFACE OF THE OTHER UNIT.
Claim 2
Dependent Claim
32 words
AN UPHOLSTERY STRUCTURE OF TWO UNITS EACH HAVING ONE PLANE SURFACE AND AN OPPOSITE UNDULATING SURFACE, THE UNDULATING SURFACE OF ONE UNIT BEING OPPOSED TO THE UNDULATING SURFACE OF THE OTHER UNIT.
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) | 1965-03-26 | 1965-09-25 | 1966-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-26 | 1969-09-25 | 1970-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-26 | 1973-09-25 | 1974-03-27 | $7700.00 | Window Closed / Lapsed |