Patent US2641772A successfully refreshed from Google Patents.
US2641772A
Expired / Lapsed
US
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Baby crib convertible into a playpen
Assignee: Individual
•
Filing: 1950-11-29
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Granted: 1953-06-16
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Expires: 1970-11-29
Abstract
No abstract record available.
Inventors
- 👤 Philip E Cook
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:09
CPC Classifications
A; A47; A47D; A47D11/00; A47D11/005; A47D11/007
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1001390A
Cited
US1095878A
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US1248338A
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US1340694A
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US2341451A
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US2418680A
Cited
US2414076A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-15 | 1956-12-15 | 1957-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-15 | 1960-12-15 | 1961-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-15 | 1964-12-15 | 1965-06-16 | $7700.00 | Window Closed / Lapsed |