US2481741A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety sleeper for babies
Assignee: Individual
•
Filing: 1945-01-17
•
Granted: 1949-09-13
•
Expires: 1965-01-17
Abstract
No abstract record available.
Inventors
- 👤 Sherburne R Graves
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:21
CPC Classifications
A; A47; A47D; A47D15/00; A47D15/005; A47D15/008
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1964271A
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US2036175A
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GB467265A
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US2231108A
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US2253024A
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US2264064A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-09-12 | 1953-03-14 | 1953-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-12 | 1957-03-14 | 1957-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-12 | 1961-03-14 | 1961-09-13 | $7700.00 | Window Closed / Lapsed |