US2590732A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Book tray
Assignee: Individual
•
Filing: 1949-08-30
•
Granted: 1952-03-25
•
Expires: 1969-08-30
Abstract
No abstract record available.
Inventors
- 👤 Frank M Simancik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:26
CPC Classifications
A; A45; A45F; A45F5/00; A45F5/12; B; B42; B42F; B42F7/00; B42F7/10; Y; Y10; Y10S; Y10S220/00; Y10S220/914
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US97276A
Cited
US504474A
Cited
US832985A
Cited
US1335239A
Cited
US1493989A
Cited
US1608939A
Cited
US1576420A
Cited
US1623877A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-25 | 1955-09-24 | 1956-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-25 | 1959-09-24 | 1960-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-25 | 1963-09-24 | 1964-03-25 | $7700.00 | Window Closed / Lapsed |