Patent US2348905A successfully refreshed from Google Patents.
Patent US2734170A successfully refreshed from Google Patents.
US2734170A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sazanl
Assignee: —
•
Filing: —
•
Granted: 1956-02-07
•
Expires: 1973-02-07
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:24
CPC Classifications
H; H01; H01P; H01P3/00; H01P3/02; H01P3/08; H01P5/00; H01P5/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2159648A
Cited
US2406405A
Cited
US2498335A
Cited
US2429823A
Cited
US2611822A
Cited
US2438521A
Cited
US2540012A
Cited
US2478133A
Cited
US2507712A
Cited
US2555151A
Cited
US2602856A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-02-06 | 1959-08-08 | 1960-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-06 | 1963-08-08 | 1964-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-06 | 1967-08-08 | 1968-02-07 | $7700.00 | Window Closed / Lapsed |