Patent US3405931A successfully refreshed from Google Patents.
US3405931A
Expired / Lapsed
US
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Operating table hammock
Assignee: HAZELTON LABORATORIES Corp A CORP OF WA
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Filing: 1966-04-19
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Granted: 1968-10-15
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Expires: 1986-04-19
Abstract
No abstract record available.
Inventors
- 👤 Anderson Roger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:26
CPC Classifications
A; A61; A61G; A61G7/00; A61G7/10; A61G7/1013; A61G7/1015; A61G13/00; A61G13/10; A61G13/12; A61G7/104; A61G7/1044; A61G7/1049; A61G7/1055; A61G13/101; A61G13/1205; A61G13/122; A61G13/123; A61G2200/00; A61G2200/30; A61G2200/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-15 | 1972-04-15 | 1972-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-15 | 1976-04-15 | 1976-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-15 | 1980-04-15 | 1980-10-15 | $7700.00 | Window Closed / Lapsed |