US3066980A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foldable stadium chair
Assignee: Individual
•
Filing: 1961-07-31
•
Granted: 1962-12-04
•
Expires: 1981-07-31
Abstract
No abstract record available.
Inventors
- 👤 Francis H Clute
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:51
CPC Classifications
A; A47; A47C; A47C1/00; A47C1/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE656997C
Cited
GB190220780A
Cited
US2092666A
Cited
US2147100A
Cited
US2167982A
Cited
US2571282A
Cited
US2707988A
Cited
US2864429A
Cited
US2957515A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-03 | 1966-06-04 | 1966-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-03 | 1970-06-04 | 1970-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-03 | 1974-06-04 | 1974-12-04 | $7700.00 | Window Closed / Lapsed |