US2720318A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shelf structure
Assignee: Individual
•
Filing: 1954-05-17
•
Granted: 1955-10-11
•
Expires: 1974-05-17
Abstract
No abstract record available.
Inventors
- 👤 Etrick Clemens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:45
CPC Classifications
A; A47; A47B; A47B57/00; A47B57/06; A47B57/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US350934A
Cited
US1062901A
Cited
US1336345A
Cited
US2026223A
Cited
US2303053A
Cited
US2528807A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-10-10 | 1959-04-11 | 1959-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-10-10 | 1963-04-11 | 1963-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-10-10 | 1967-04-11 | 1967-10-11 | $7700.00 | Window Closed / Lapsed |