US2760561A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chair structure
Assignee: American Seating Co
•
Filing: 1955-06-17
•
Granted: 1956-08-28
•
Expires: 1975-06-17
Abstract
No abstract record available.
Inventors
- 👤 Bror W Henrikson
- 👤 Alfred C Hoven
- 👤 Walter E Nordmark
- 👤 Benjamin J Oom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 00:24
CPC Classifications
A; A47; A47C; A47C1/00; A47C1/02; A47C1/031; A47C1/032; A47C7/00; A47C7/02; A47C7/18; A47C7/185; B; B60; B60N; B60N2/00; B60N2/02; B60N2/22; B60N2/23
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US894020A
Cited
US1205541A
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US1400717A
Cited
US2021825A
Cited
US2108242A
Cited
US2251318A
Cited
US2208745A
Cited
US2231346A
Cited
US2612938A
Cited
US2646840A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-28 | 1960-02-27 | 1960-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-28 | 1964-02-27 | 1964-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-28 | 1968-02-27 | 1968-08-28 | $7700.00 | Window Closed / Lapsed |