Patent US2425574A successfully refreshed from Google Patents.
US2425574A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brake for baby carriages
Assignee: Individual
•
Filing: 1945-08-24
•
Granted: 1947-08-12
•
Expires: 1965-08-24
Abstract
No abstract record available.
Inventors
- 👤 John F Stewack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:15
CPC Classifications
B; B62; B62B; B62B9/00; B62B9/08; B62B9/085; B62B9/087; B62B5/00; B62B5/04; B62B5/0404; B62B5/0414; B62B5/0438; B62B5/0442; B62B5/0457; B62B5/0461; B62B5/06; B62B5/066
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-08-11 | 1951-02-10 | 1951-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-08-11 | 1955-02-10 | 1955-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-08-11 | 1959-02-10 | 1959-08-12 | $7700.00 | Window Closed / Lapsed |