Patent US2547754A successfully refreshed from Google Patents.
US2547754A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination typewriter box, desk, and seat
Assignee: Individual
•
Filing: 1945-01-15
•
Granted: 1951-04-03
•
Expires: 1965-01-15
Abstract
No abstract record available.
Inventors
- 👤 Robert E Herrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 21:33
CPC Classifications
A; A47; A47B; A47B21/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US146390A
Cited
US719298A
Cited
US824434A
Cited
US960524A
Cited
US1121422A
Cited
FR464906A
Cited
US1382393A
Cited
US1656640A
Cited
US1769384A
Cited
US2030858A
Cited
CH167973A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-02 | 1954-10-02 | 1955-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-02 | 1958-10-02 | 1959-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-02 | 1962-10-02 | 1963-04-03 | $7700.00 | Window Closed / Lapsed |