US3473055A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Condition responsive d.c. power supply switch
Assignee: United States Department of the Navy
•
Filing: 1967-01-30
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Granted: 1969-10-14
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Expires: 1987-01-30
Abstract
No abstract record available.
Inventors
- 👤 Edward G Olson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:41
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/35; H03K3/352; H03K17/00; H03K17/51; H03K17/56; H03K17/72; H03K17/73; H03K3/26; H03K3/28; H03K3/281; H03K3/286; H03K3/2893
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3215950A
Cited
US3335291A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-13 | 1973-04-14 | 1973-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-13 | 1977-04-14 | 1977-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-13 | 1981-04-14 | 1981-10-14 | $7700.00 | Window Closed / Lapsed |