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US2932920A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pxras
Assignee: —
•
Filing: —
•
Granted: 1960-04-19
•
Expires: 1977-04-19
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:21
CPC Classifications
H; H01; H01T; H01T21/00; H01T21/02; H01T13/00; H01T13/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1731280A
Cited
US1648721A
Cited
US1843045A
Cited
US2286515A
Cited
US2345278A
Cited
US2355443A
Cited
US2448193A
Cited
US2629971A
Cited
US2810929A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-19 | 1963-10-19 | 1964-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-19 | 1967-10-19 | 1968-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-19 | 1971-10-19 | 1972-04-19 | $7700.00 | Window Closed / Lapsed |