US2854061A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic chairs
Assignee: Individual
•
Filing: 1955-05-09
•
Granted: 1958-09-30
•
Expires: 1975-05-09
Abstract
No abstract record available.
Inventors
- 👤 Leopold S Romito
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:28
CPC Classifications
A; A61; A61G; A61G15/00; A61G15/02; A47; A47C; A47C3/00; A47C3/20; A47C3/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1212757A
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US1454524A
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US1586752A
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US1491685A
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US1720434A
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US1767124A
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US1904115A
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US1951508A
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US2059130A
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US2613725A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-29 | 1962-03-31 | 1962-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-29 | 1966-03-31 | 1966-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-29 | 1970-03-31 | 1970-09-30 | $7700.00 | Window Closed / Lapsed |