US2474003A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized brief case
Assignee: Individual
•
Filing: 1948-12-30
•
Granted: 1949-06-21
•
Expires: 1968-12-30
Abstract
No abstract record available.
Inventors
- 👤 Lifton Lewis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:57
CPC Classifications
A; A45; A45C; A45C3/00; A45C3/02; Y; Y10; Y10S; Y10S190/00; Y10S190/90; Y10S190/902
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US420759A
Cited
US1768496A
Cited
US1424152A
Cited
GB209521A
Cited
US1662837A
Cited
US2043833A
Cited
US2104935A
Cited
US2087273A
Cited
US2272584A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-20 | 1952-12-20 | 1953-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-20 | 1956-12-20 | 1957-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-20 | 1960-12-20 | 1961-06-21 | $7700.00 | Window Closed / Lapsed |