Patent US3556595A successfully refreshed from Google Patents.
US3556595A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seat construction and the like
Assignee: Individual
•
Filing: 1969-01-17
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Granted: 1971-01-19
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Expires: 1989-01-17
Abstract
Abstract A SEAT SUCH AS A CHAIR, SOFA OR THE LIKE HAVING A RIGID POLYURETHANE FOAM FRAME AND A SEMI-RIGID POLYURETHANE FOAM UPHOLSTERY LAYER COHESIVELY BOUND TOGETHER IS MOLDED IN SEPARATE MOLDING STEPS WITHOUT REMOVAL FROM THE MOLD BETWEEN MOLDING STEPS.
Inventors
- 👤 Gunter Friedrich Bartel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:50
CPC Classifications
A; A47; A47C; A47C4/00; A47C4/54; A47C5/00; A47C5/12; A47C5/125
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-18 | 1974-07-20 | 1975-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-18 | 1978-07-20 | 1979-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-18 | 1982-07-20 | 1983-01-19 | $7700.00 | Window Closed / Lapsed |