US2484803A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Retractile leg rest
Assignee: Heywood Wakefield Co
•
Filing: 1945-09-29
•
Granted: 1949-10-18
•
Expires: 1965-09-29
Abstract
No abstract record available.
Inventors
- 👤 Alfred B Bell
- 👤 Staveley Wilford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:44
CPC Classifications
B; B61; B61D; B61D33/00; B61D33/0007; B61D33/005; B60; B60N; B60N2/00; B60N2/90; B60N2/995
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US155187A
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US161887A
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US167095A
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US335815A
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US513170A
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FR323675A
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US1185819A
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US1211428A
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US1301835A
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US1821298A
Cited
US1962789A
Cited
US2185813A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-17 | 1953-04-18 | 1953-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-17 | 1957-04-18 | 1957-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-17 | 1961-04-18 | 1961-10-18 | $7700.00 | Window Closed / Lapsed |