Patent US2957672A successfully refreshed from Google Patents.
US2957672A
Expired / Lapsed
US
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Overhead quick detachable support
Assignee: LOGAN HOSPITAL EQUIPMENT CO
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Filing: 1957-10-28
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Granted: 1960-10-25
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Expires: 1977-10-28
Abstract
No abstract record available.
Inventors
- 👤 Hugh H Logan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:15
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/14; A61M5/1414; A61M5/1415; A61B; A61B90/00; A61B90/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US495409A
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US995798A
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US966244A
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US1242125A
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US1637688A
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US1963721A
Cited
US2700563A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-25 | 1964-04-25 | 1964-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-25 | 1968-04-25 | 1968-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-25 | 1972-04-25 | 1972-10-25 | $7700.00 | Window Closed / Lapsed |