US2954820A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chair structure
Assignee: Harter Corp
•
Filing: 1958-09-12
•
Granted: 1960-10-04
•
Expires: 1978-09-12
Abstract
No abstract record available.
Inventors
- 👤 Wayne W Good
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:01
CPC Classifications
A; A47; A47C; A47C9/00; A47C31/00; A47C31/02; A47C31/023; A47C7/00; A47C7/02; A47C7/24; A47C7/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1694935A
Cited
US1374716A
Cited
US2333311A
Cited
GB599981A
Cited
US2499956A
Cited
FR1078291A
Cited
US2825394A
Cited
US2815800A
Cited
US2760562A
Cited
US2851090A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-04 | 1964-04-04 | 1964-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-04 | 1968-04-04 | 1968-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-04 | 1972-04-04 | 1972-10-04 | $7700.00 | Window Closed / Lapsed |