US3001817A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Leg-rest and actuating mechanism
Assignee: Individual
•
Filing: 1958-02-14
•
Granted: 1961-09-26
•
Expires: 1978-02-14
Abstract
No abstract record available.
Inventors
- 👤 Peter S Fletcher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:22
CPC Classifications
A; A47; A47C; A47C1/00; A47C1/02; A47C1/031; A47C1/034; A47C1/035; A47C1/0355; G; G01; G01S; G01S7/00; G01S7/02; G01S7/28; G01S7/285; G01S7/295; G01S7/298
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1534272A
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US1626069A
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US1688576A
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US2687766A
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US2664942A
Cited
US2670030A
Cited
US2774412A
Cited
US2781826A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-25 | 1965-03-27 | 1965-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-25 | 1969-03-27 | 1969-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-25 | 1973-03-27 | 1973-09-26 | $7700.00 | Window Closed / Lapsed |