US2992416A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulse control system
Assignee: Unisys Corp
•
Filing: 1957-01-09
•
Granted: 1961-07-11
•
Expires: 1977-01-09
Abstract
No abstract record available.
Inventors
- 👤 Jr John C Sims
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:53
CPC Classifications
H; H03; H03M; H03M9/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2403561A
Cited
US2787416A
Cited
US2931014A
Cited
US2740106A
Cited
US2904626A
Cited
US2800596A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-10 | 1965-01-09 | 1965-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-10 | 1969-01-09 | 1969-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-10 | 1973-01-09 | 1973-07-11 | $7700.00 | Window Closed / Lapsed |