US3589967A
Expired / Lapsed
US
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Method of upholstering
Assignee: Junichi Shirakawa GmbH
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Filing: 1969-10-20
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Granted: 1971-06-29
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Expires: 1989-10-20
Abstract
Abstract A METHOD OF UPHOLSTERING A CHAIR OF ALMOST ANY SHAPE WITHOUT SEAMING WORK BY EMPLOYING A LINING MATERIAL WHICH IS AIRTIGHT AND FITS THE TEXTILES OF UPHOSTERY MATERIALS. THE LINING MATERIAL ALSO EXPANDS AND CONTRACTS WITH THE SURFACE OF THE UPHOLSTERY MATERIAL DURING THE PROCESS OF PNEUMATICALLY CONTOURING THE UPHOLSTERY TO THE DESIGN CONFORMATION AND FIXING THE UPHOLSTERY IN THIS CONDITION.
Inventors
- 👤 Katsuya Shirakawa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:07
CPC Classifications
B; B29; B29D; B29D99/00; B29D99/0092; A; A47; A47C; A47C31/00; A47C31/02; A47C5/00; A47C5/12; A47C7/00; A47C7/02; A47C7/18; B29C; B29C67/00; B29C67/20; B68; B68G; B68G7/00; Y; Y10; Y10S; Y10S297/00; Y10S297/01; Y10S297/02; Y10T; Y10T29/00; Y10T29/48; Y10T29/481
Claims Analysis
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-28 | 1974-12-28 | 1975-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-28 | 1978-12-28 | 1979-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-28 | 1982-12-28 | 1983-06-29 | $7700.00 | Window Closed / Lapsed |