US2454307A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Interlocking mosaic
Assignee: Individual
•
Filing: 1946-11-07
•
Granted: 1948-11-23
•
Expires: 1966-11-07
Abstract
No abstract record available.
Inventors
- 👤 Cooley Burnell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:59
CPC Classifications
B; B44; B44C; B44C3/00; B44C3/12; B44C3/123; Y; Y10; Y10T; Y10T428/00; Y10T428/16; Y10T428/163; Y10T428/164; Y10T428/166; Y10T428/17; Y10T428/19; Y10T428/192; Y10T428/195
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1156444A
Cited
US2381860A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-11-23 | 1952-05-24 | 1952-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-11-23 | 1956-05-24 | 1956-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-11-23 | 1960-05-24 | 1960-11-23 | $7700.00 | Window Closed / Lapsed |