US2442286A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synchronized pulse producer
Assignee: Metropolitan Vickers Electrical Co Ltd
•
Filing: 1943-12-18
•
Granted: 1948-05-25
•
Expires: 1963-12-18
Abstract
No abstract record available.
Inventors
- 👤 Dodds John Mathieson
- 👤 Scoles Graham John
- 👤 Haine Michael Edward
- 👤 Archer Robert Fenwick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:47
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/04; H04N5/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1927425A
Cited
US2036495A
Cited
US2100700A
Cited
GB450986A
Cited
US2102951A
Cited
US2106713A
Cited
US2185635A
Cited
GB488842A
Cited
US2282130A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-05-25 | 1951-11-24 | 1952-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-05-25 | 1955-11-24 | 1956-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-05-25 | 1959-11-24 | 1960-05-25 | $7700.00 | Window Closed / Lapsed |