US2948332A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Folding chair
Assignee: Hamilton Cosco Inc
•
Filing: 1957-09-06
•
Granted: 1960-08-09
•
Expires: 1977-09-06
Abstract
No abstract record available.
Inventors
- 👤 Earl F Hamilton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:14
CPC Classifications
A; A47; A47C; A47C4/00; A47C4/04; A47C4/18; A47C4/20; A47C4/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US119754A
Cited
US1638879A
Cited
US2238817A
Cited
CH226891A
Cited
US2666478A
Cited
US2753922A
Cited
US2729275A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-09 | 1964-02-08 | 1964-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-09 | 1968-02-08 | 1968-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-09 | 1972-02-08 | 1972-08-09 | $7700.00 | Window Closed / Lapsed |