US2584481A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Infant's convertible seat and bed
Assignee: Individual
•
Filing: 1948-11-02
•
Granted: 1952-02-05
•
Expires: 1968-11-02
Abstract
No abstract record available.
Inventors
- 👤 Gifford M Mast
- 👤 Wright K Gannett
- 👤 Lewis M Shuh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:43
CPC Classifications
B; B60; B60N; B60N2/00; B60N2/24; B60N2/30; B60N2/3081; B60N2/3084
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1157351A
Cited
US1214701A
Cited
US1349227A
Cited
US1835947A
Cited
US2240748A
Cited
US2337480A
Cited
US2436294A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-04 | 1955-08-06 | 1956-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-04 | 1959-08-06 | 1960-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-04 | 1963-08-06 | 1964-02-05 | $7700.00 | Window Closed / Lapsed |