Patent US2326937A successfully refreshed from Google Patents.
US2326937A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Steel chair cushion
Assignee: Individual
•
Filing: 1940-10-26
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Granted: 1943-08-17
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Expires: 1960-10-26
Abstract
No abstract record available.
Inventors
- 👤 Josef L Frei
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:49
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/02; A47C7/021; A47C7/0213
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1946-08-16 | 1947-02-15 | 1947-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-08-16 | 1951-02-15 | 1951-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-08-16 | 1955-02-15 | 1955-08-17 | $7700.00 | Window Closed / Lapsed |