US2690843A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Display stand
Assignee: Individual
•
Filing: 1951-12-28
•
Granted: 1954-10-05
•
Expires: 1971-12-28
Abstract
No abstract record available.
Inventors
- 👤 Walter D Ament
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:51
CPC Classifications
A; A47; A47F; A47F5/00; A47F5/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US630755A
Cited
US937366A
Cited
US1429151A
Cited
US1569365A
Cited
US1568389A
Cited
US1843951A
Cited
US1977400A
Cited
FR864871A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-10-04 | 1958-04-05 | 1958-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-10-04 | 1962-04-05 | 1962-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-10-04 | 1966-04-05 | 1966-10-05 | $7700.00 | Window Closed / Lapsed |