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Patent US2674745A successfully refreshed from Google Patents.
US2674745A
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US
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Articulated mattress and bed
Assignee: Individual
•
Filing: 1951-06-15
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Granted: 1954-04-13
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Expires: 1971-06-15
Abstract
No abstract record available.
Inventors
- 👤 Sr Edward J Burke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:21
CPC Classifications
A; A61; A61G; A61G7/00; A61G7/002; A61G7/015
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US382501A
Cited
US1398203A
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GB468087A
Cited
US2167178A
Cited
US2244435A
Cited
US2337284A
Cited
US2448162A
Cited
US2634426A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-12 | 1957-10-12 | 1958-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-12 | 1961-10-12 | 1962-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-12 | 1965-10-12 | 1966-04-13 | $7700.00 | Window Closed / Lapsed |