US2603913A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-steering spring driven wheeled toy
Assignee: Individual
•
Filing: 1949-07-12
•
Granted: 1952-07-22
•
Expires: 1969-07-12
Abstract
No abstract record available.
Inventors
- 👤 Ernst Max
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:34
CPC Classifications
A; A63; A63H; A63H29/00; A63H29/02; A63H29/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1722340A
Cited
US1808766A
Cited
US2144461A
Cited
FR827825A
Cited
US2172416A
Cited
US2487940A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-22 | 1956-01-21 | 1956-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-22 | 1960-01-21 | 1960-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-22 | 1964-01-21 | 1964-07-22 | $7700.00 | Window Closed / Lapsed |