US2472893A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Twin finger rings
Assignee: Individual
•
Filing: 1948-11-10
•
Granted: 1949-06-14
•
Expires: 1968-11-10
Abstract
No abstract record available.
Inventors
- 👤 Gerson Jules
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:34
CPC Classifications
A; A44; A44C; A44C9/00; A44C9/0007; A44C9/0015; A44C9/0023
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-13 | 1952-12-13 | 1953-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-13 | 1956-12-13 | 1957-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-13 | 1960-12-13 | 1961-06-14 | $7700.00 | Window Closed / Lapsed |