US2427550A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Infant's walker and stroller
Assignee: THAYER Co
•
Filing: 1944-03-25
•
Granted: 1947-09-16
•
Expires: 1964-03-25
Abstract
No abstract record available.
Inventors
- 👤 Collura Francesco
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:03
CPC Classifications
B; B62; B62B; B62B7/00; B62B7/04; B62B2301/00; B62B2301/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US329850A
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US1301514A
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US1557264A
Cited
US1663149A
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US1784692A
Cited
US1945781A
Cited
US2347754A
Cited
US2305719A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-09-15 | 1951-03-17 | 1951-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-09-15 | 1955-03-17 | 1955-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-09-15 | 1959-03-17 | 1959-09-16 | $7700.00 | Window Closed / Lapsed |