US2465301A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Doll walker
Assignee: Individual
•
Filing: 1945-11-16
•
Granted: 1949-03-22
•
Expires: 1965-11-16
Abstract
No abstract record available.
Inventors
- 👤 Beatrice E Warner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:12
CPC Classifications
A; A63; A63H; A63H3/00; A63H3/36; A63H3/50; A63H7/00; A63H7/02; A63H7/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1248788A
Cited
US1960981A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-03-21 | 1952-09-20 | 1953-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-03-21 | 1956-09-20 | 1957-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-03-21 | 1960-09-20 | 1961-03-22 | $7700.00 | Window Closed / Lapsed |