Patent US1092572A successfully refreshed from Google Patents.
US2984291A
Expired / Lapsed
US
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Demountable high chair
Assignee: Individual
•
Filing: 1959-06-01
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Granted: 1961-05-16
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Expires: 1979-06-01
Abstract
No abstract record available.
Inventors
- 👤 Kostenborder Betty Jo
- 👤 William L Kostenborder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 03:38
CPC Classifications
A; A47; A47D; A47D1/00; A47D1/10; A47D1/002; A47D1/004
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1680794A
Cited
US1905830A
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US2446036A
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US2541835A
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US2607396A
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US2669285A
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US2777503A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-15 | 1964-11-14 | 1965-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-15 | 1968-11-14 | 1969-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-15 | 1972-11-14 | 1973-05-16 | $7700.00 | Window Closed / Lapsed |