US3022466A
Expired / Lapsed
US
⏱️ 0.0 years remaining
weiss
Assignee: —
•
Filing: 1957-11-07
•
Granted: 1962-02-20
•
Expires: 1977-11-07
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:35
CPC Classifications
H; H03; H03F; H03F7/00; H03F7/02; H03F2200/00; H03F2200/372
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2743322A
Cited
US2806138A
Cited
US2825765A
Cited
US2815488A
Cited
US2817813A
Cited
US2922125A
Cited
US2755447A
Cited
US2782280A
Cited
US2810882A
Cited
US2948870A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-19 | 1965-08-21 | 1966-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-19 | 1969-08-21 | 1970-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-19 | 1973-08-21 | 1974-02-20 | $7700.00 | Window Closed / Lapsed |