US3516709A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Convertible high chair
Assignee: DONALD J NADER
•
Filing: 1968-06-14
•
Granted: 1970-06-23
•
Expires: 1988-06-14
Abstract
No abstract record available.
Inventors
- 👤 Donald J Nader
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 00:16
CPC Classifications
A; A47; A47C; A47C4/00; A47C4/52; A47C1/00; A47C1/02; A47D; A47D1/00; A47D1/008; A47D1/0085; A47D1/10; A47D1/103
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US854154A
Cited
US1049080A
Cited
US1656352A
Cited
US2318475A
Cited
US2418731A
Cited
US2555566A
Cited
US2580935A
Cited
US2971570A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-22 | 1973-12-22 | 1974-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-22 | 1977-12-22 | 1978-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-22 | 1981-12-22 | 1982-06-23 | $7700.00 | Window Closed / Lapsed |