Patent US2550306A successfully refreshed from Google Patents.
US2550306A
Expired / Lapsed
US
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Conveyer service tray for operating tables
Assignee: Individual
•
Filing: 1947-04-18
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Granted: 1951-04-24
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Expires: 1967-04-18
Abstract
No abstract record available.
Inventors
- 👤 William J Soper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:03
CPC Classifications
A; A61; A61G; A61G13/00; A61G13/10
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-23 | 1954-10-23 | 1955-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-23 | 1958-10-23 | 1959-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-23 | 1962-10-23 | 1963-04-24 | $7700.00 | Window Closed / Lapsed |