US2994501A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bedstead attachment
Assignee: Individual
•
Filing: 1957-12-19
•
Granted: 1961-08-01
•
Expires: 1977-12-19
Abstract
No abstract record available.
Inventors
- 👤 Frank W Barnard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:32
CPC Classifications
A; A61; A61G; A61G7/00; A61G7/05; A61G7/0503
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US297786A
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US517677A
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US625032A
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GB190015209A
Cited
US872905A
Cited
US1283446A
Cited
CH79536A
Cited
US1537958A
Cited
US2526070A
Cited
US2686030A
Cited
US2711300A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-31 | 1965-01-30 | 1965-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-31 | 1969-01-30 | 1969-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-31 | 1973-01-30 | 1973-08-01 | $7700.00 | Window Closed / Lapsed |