US2512851A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulse generator
Assignee: Unisys Corp
•
Filing: 1948-04-03
•
Granted: 1950-06-27
•
Expires: 1968-04-03
Abstract
No abstract record available.
Inventors
- 👤 Loring P Crosman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:35
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/04; H04N5/06; H03; H03K; H03K21/00; H03K23/00; H03K23/82; H03K3/00; H03K3/78
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2272070A
Cited
US2402989A
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US2405664A
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US2422698A
Cited
US2430547A
Cited
US2436963A
Cited
US2443922A
Cited
US2444036A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-06-26 | 1953-12-26 | 1954-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-26 | 1957-12-26 | 1958-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-26 | 1961-12-26 | 1962-06-27 | $7700.00 | Window Closed / Lapsed |