US2929958A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sweep circuit
Assignee: Unisys Corp
•
Filing: 1957-03-12
•
Granted: 1960-03-22
•
Expires: 1977-03-12
Abstract
No abstract record available.
Inventors
- 👤 Palmer Winslow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:02
CPC Classifications
H; H04; H04N; H04N3/00; H04N3/10; H04N3/16; H04N3/22; H04N3/227; G; G01; G01R; G01R13/00; G01R13/20; G01R13/22; G01R13/24; H03; H03K; H03K4/00; H03K4/06; H03K4/08; H03K4/10; H03K4/12; H03K4/14
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2594104A
Cited
US2540478A
Cited
US2536822A
Cited
US2482803A
Cited
US2598491A
Cited
US2794937A
Cited
US2708717A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-22 | 1963-09-21 | 1964-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-22 | 1967-09-21 | 1968-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-22 | 1971-09-21 | 1972-03-22 | $7700.00 | Window Closed / Lapsed |