US2863052A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic pulse timing system
Assignee: Unisys Corp
•
Filing: 1954-09-24
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Granted: 1958-12-02
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Expires: 1974-09-24
Abstract
No abstract record available.
Inventors
- 👤 Robert T Fraser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:20
CPC Classifications
H; H03; H03K; H03K5/00; H03K5/13; H03K17/00; H03K17/28; H03K17/288; H03K3/00; H03K3/02; H03K3/04; H03K3/05; H03K3/06; H03K3/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2427533A
Cited
US2572891A
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US2525634A
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US2526551A
Cited
US2653237A
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US2536808A
Cited
US2747111A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-01 | 1962-06-02 | 1962-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-01 | 1966-06-02 | 1966-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-01 | 1970-06-02 | 1970-12-02 | $7700.00 | Window Closed / Lapsed |