US3129952A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Child's baby crawler type vehicle
Assignee: Individual
•
Filing: 1962-12-07
•
Granted: 1964-04-21
•
Expires: 1982-12-07
Abstract
No abstract record available.
Inventors
- 👤 Frances B Rivers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:36
CPC Classifications
A; A47; A47D; A47D13/00; A47D13/04; A47D13/043
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US816745A
Cited
US1432612A
Cited
US1550195A
Cited
US1572273A
Cited
GB246030A
Cited
US1786663A
Cited
US2176832A
Cited
US2220238A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-21 | 1967-10-21 | 1968-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-21 | 1971-10-21 | 1972-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-21 | 1975-10-21 | 1976-04-21 | $7700.00 | Window Closed / Lapsed |