Patent US3145048A successfully refreshed from Google Patents.
US3145048A
Expired / Lapsed
US
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Baby walker
Assignee: Individual
•
Filing: 1963-07-05
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Granted: 1964-08-18
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Expires: 1983-07-05
Abstract
No abstract record available.
Inventors
- 👤 Ralph F Dowdy
- 👤 Lloyd F Dowdy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:46
CPC Classifications
A; A47; A47D; A47D13/00; A47D13/04; A47D13/043; Y; Y10; Y10S; Y10S297/00; Y10S297/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US613582A
Cited
US1826502A
Cited
US2606593A
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US2636633A
Cited
US2758847A
Cited
US2788056A
Cited
US2986401A
Cited
US3083050A
Cited
US3048440A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-18 | 1968-02-17 | 1968-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-18 | 1972-02-17 | 1972-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-18 | 1976-02-17 | 1976-08-18 | $7700.00 | Window Closed / Lapsed |