US2689157A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined adjustable desk and easel
Assignee: Individual
•
Filing: 1952-12-09
•
Granted: 1954-09-14
•
Expires: 1972-12-09
Abstract
No abstract record available.
Inventors
- 👤 Censo Edward A Di
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:54
CPC Classifications
A; A47; A47B; A47B19/00; A47B19/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US632804A
Cited
US1188792A
Cited
US1246981A
Cited
US1493891A
Cited
US1496556A
Cited
US1858103A
Cited
US2634542A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-09-13 | 1958-03-15 | 1958-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-13 | 1962-03-15 | 1962-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-13 | 1966-03-15 | 1966-09-14 | $7700.00 | Window Closed / Lapsed |