US2729529A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bookrack or the like
Assignee: American Seating Co
•
Filing: 1953-08-31
•
Granted: 1956-01-03
•
Expires: 1973-08-31
Abstract
No abstract record available.
Inventors
- 👤 Alfred C Hoven
- 👤 Walter E Nordmark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:36
CPC Classifications
A; A47; A47B; A47B39/00; A47B39/12; A47B2200/00; A47B2200/0011; A47B2200/002; A47B2200/0027
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US556612A
Cited
US1282833A
Cited
US1916202A
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FR781449A
Cited
US2440544A
Cited
US2547296A
Cited
US2671002A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-02 | 1959-07-04 | 1960-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-02 | 1963-07-04 | 1964-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-02 | 1967-07-04 | 1968-01-03 | $7700.00 | Window Closed / Lapsed |