Patent JPS5720156A successfully refreshed from Google Patents.
US2481382A
Expired / Lapsed
US
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Three-way baby chair
Assignee: MYRTLE LEE RUPPERT
•
Filing: 1947-08-07
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Granted: 1949-09-06
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Expires: 1967-08-07
Abstract
No abstract record available.
Inventors
- 👤 Bennett Grady Howard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:55
CPC Classifications
A; A47; A47D; A47D1/00; A47D1/06; A47D1/10; A47D1/103; Y; Y10; Y10S; Y10S297/00; Y10S297/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1387049A
Cited
US1821429A
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US1680794A
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US2161657A
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US2115257A
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US2331990A
Cited
US2399792A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-09-05 | 1953-03-07 | 1953-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-05 | 1957-03-07 | 1957-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-05 | 1961-03-07 | 1961-09-06 | $7700.00 | Window Closed / Lapsed |