US2746822A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable table legs
Assignee: Individual
•
Filing: 1955-02-21
•
Granted: 1956-05-22
•
Expires: 1975-02-21
Abstract
No abstract record available.
Inventors
- 👤 Roy T Copenhaver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:41
CPC Classifications
A; A47; A47B; A47B9/00; A47B9/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US928312A
Cited
US958800A
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US1093274A
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US1838352A
Cited
US2185948A
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US2378852A
Cited
US2548648A
Cited
US2628142A
Cited
US2667391A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-22 | 1959-11-21 | 1960-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-22 | 1963-11-21 | 1964-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-22 | 1967-11-21 | 1968-05-22 | $7700.00 | Window Closed / Lapsed |