Patent US2553579A successfully refreshed from Google Patents.
US2553579A
Expired / Lapsed
US
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Infant's play pen
Assignee: Individual
•
Filing: 1948-11-22
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Granted: 1951-05-22
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Expires: 1968-11-22
Abstract
No abstract record available.
Inventors
- 👤 Mechell F Harris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:31
CPC Classifications
A; A47; A47D; A47D13/00; A47D13/06; A47D13/061; A47D13/065; A47D7/00; A47D7/01; A47D7/03
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-21 | 1954-11-20 | 1955-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-21 | 1958-11-20 | 1959-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-21 | 1962-11-20 | 1963-05-22 | $7700.00 | Window Closed / Lapsed |