US2764459A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic tip type medical examination and operating tables
Assignee: Ritter Co Inc
•
Filing: 1953-01-19
•
Granted: 1956-09-25
•
Expires: 1973-01-19
Abstract
No abstract record available.
Inventors
- 👤 Robert L Mcdonald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:32
CPC Classifications
A; A61; A61G; A61G13/00; A61G13/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US743508A
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US1749867A
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US2172941A
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US2186660A
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US2217873A
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US2456277A
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US2479089A
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US2520455A
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US2571829A
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US2573563A
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US2636348A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-25 | 1960-03-26 | 1960-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-25 | 1964-03-26 | 1964-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-25 | 1968-03-26 | 1968-09-25 | $7700.00 | Window Closed / Lapsed |