Patent US3704527A successfully refreshed from Google Patents.
Patent US3427069A successfully refreshed from Google Patents.
US3427069A
Expired / Lapsed
US
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Portable baby chair
Assignee: Individual
•
Filing: 1967-03-10
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Granted: 1969-02-11
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Expires: 1987-03-10
Abstract
No abstract record available.
Inventors
- 👤 Quentin H Mcdonald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 00:23
CPC Classifications
A; A47; A47D; A47D1/00; A47D1/10; A47D1/002; A47D1/004; A47D1/008; A47D1/0081; A47D1/0085; A47D1/02; A47D1/023
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2435290A
Cited
US2982339A
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US2984291A
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US3139845A
Cited
US3224530A
Cited
US3290050A
Cited
US3223431A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-11 | 1972-08-12 | 1973-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-11 | 1976-08-12 | 1977-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-11 | 1980-08-12 | 1981-02-11 | $7700.00 | Window Closed / Lapsed |