US2467175A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Base for portable devices
Assignee: —
•
Filing: —
•
Granted: 1949-04-12
•
Expires: 1966-04-12
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:06
CPC Classifications
A; A47; A47B; A47B91/00; A47B91/16; F; F16; F16B; F16B9/00; F16B9/05; F16B9/056; A47B13/00; A47B13/02; A47B13/023; A47B2013/025; F16B2200/00; F16B2200/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US544835A
Cited
US1320611A
Cited
US755484A
Cited
US853463A
Cited
US1571308A
Cited
US1762545A
Cited
US1763748A
Cited
US1899835A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-04-11 | 1952-10-11 | 1953-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-04-11 | 1956-10-11 | 1957-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-04-11 | 1960-10-11 | 1961-04-12 | $7700.00 | Window Closed / Lapsed |