US2522748A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple shelf construction
Assignee: Individual
•
Filing: 1947-07-26
•
Granted: 1950-09-19
•
Expires: 1967-07-26
Abstract
No abstract record available.
Inventors
- 👤 Charles J Claude
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:12
CPC Classifications
A; A47; A47B; A47B87/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US499512A
Cited
US584811A
Cited
US1315524A
Cited
US825577A
Cited
US1376087A
Cited
US1379648A
Cited
US1660119A
Cited
US1928508A
Cited
US2000915A
Cited
US2249142A
Cited
US2454148A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-09-18 | 1954-03-20 | 1954-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-18 | 1958-03-20 | 1958-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-18 | 1962-03-20 | 1962-09-19 | $7700.00 | Window Closed / Lapsed |