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US2664576A
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Guard rail attachment for beds
Assignee: ST CROIX MANUFACTURING Co
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Filing: 1949-05-14
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Granted: 1954-01-05
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Expires: 1969-05-14
Abstract
No abstract record available.
Inventors
- 👤 Albert W Lehman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:01
CPC Classifications
A; A61; A61G; A61G7/00; A61G7/05; A61G7/0507; A47; A47C; A47C21/00; A47C21/08; A61G7/0518
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US494560A
Cited
US1295483A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-04 | 1957-07-06 | 1958-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-04 | 1961-07-06 | 1962-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-04 | 1965-07-06 | 1966-01-05 | $7700.00 | Window Closed / Lapsed |