Patent US2625202A successfully refreshed from Google Patents.
US2625202A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Walker for invalids
Assignee: Individual
•
Filing: 1949-06-15
•
Granted: 1953-01-13
•
Expires: 1969-06-15
Abstract
No abstract record available.
Inventors
- 👤 Richardson Lawrence
- 👤 Richardson Cleves
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:48
CPC Classifications
A; A61; A61H; A61H3/00; A61H3/04; A61H3/008
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US324288A
Cited
US541887A
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US808785A
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US1642184A
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US1611807A
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US1878785A
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US1961119A
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FR863857A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-13 | 1956-07-14 | 1957-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-13 | 1960-07-14 | 1961-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-13 | 1964-07-14 | 1965-01-13 | $7700.00 | Window Closed / Lapsed |