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
2026-10-24 16:57
CPC Classifications
A; A47; A47B; A47B21/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US146390A
Cited
US719298A
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US824434A
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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 |