US3047776A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Over voltage relay
Assignee: Lockheed Martin Corp
•
Filing: 1957-03-15
•
Granted: 1962-07-31
•
Expires: 1977-03-15
Abstract
No abstract record available.
Inventors
- 👤 Robert C Mauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:09
CPC Classifications
H; H02; H02H; H02H3/00; H02H3/20; H02H3/202; H03; H03K; H03K17/00; H03K17/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2548818A
Cited
US2804578A
Cited
US2769131A
Cited
US2828450A
Cited
US2801374A
Cited
US2816262A
Cited
US2866106A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-30 | 1966-01-29 | 1966-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-30 | 1970-01-29 | 1970-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-30 | 1974-01-29 | 1974-07-31 | $7700.00 | Window Closed / Lapsed |