US1589477A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Propulsion mechanism for children's vehicles
Assignee: Imperial Brass Manufacturing Co
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Filing: 1922-05-10
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Granted: 1926-06-22
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Expires: 1942-05-10
Abstract
No abstract record available.
Inventors
- 👤 Mcelroy John Howard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:24
CPC Classifications
B; B62; B62M; B62M1/00; B62M1/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1929-06-21 | 1929-12-21 | 1930-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-06-21 | 1933-12-21 | 1934-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-06-21 | 1937-12-21 | 1938-06-22 | $7700.00 | Window Closed / Lapsed |