Patent US2902701A successfully refreshed from Google Patents.
US2902701A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hospital bed
Assignee: Individual
•
Filing: 1957-08-09
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Granted: 1959-09-08
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Expires: 1977-08-09
Abstract
No abstract record available.
Inventors
- 👤 Luther C T Driskill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:36
CPC Classifications
A; A61; A61G; A61G7/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US357688A
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US842973A
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US904587A
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US933323A
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US1021335A
Cited
US1866397A
Cited
GB488529A
Cited
US2215636A
Cited
GB518797A
Cited
US2407892A
Cited
US2519729A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-07 | 1963-03-09 | 1963-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-07 | 1967-03-09 | 1967-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-07 | 1971-03-09 | 1971-09-08 | $7700.00 | Window Closed / Lapsed |