US2619985A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ujnit
Assignee: —
•
Filing: —
•
Granted: 1952-12-02
•
Expires: 1969-12-02
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:51
CPC Classifications
—
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US540003A
Cited
US2467635A
Cited
US1077795A
Cited
US1461835A
Cited
US1561412A
Cited
US1636769A
Cited
US1811202A
Cited
US2083695A
Cited
US2083584A
Cited
US2196120A
Cited
US2418440A
Cited
US2508843A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-02 | 1956-06-02 | 1956-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-02 | 1960-06-02 | 1960-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-02 | 1964-06-02 | 1964-12-02 | $7700.00 | Window Closed / Lapsed |