Patent US1905332A successfully refreshed from Google Patents.
US1905332A
Expired / Lapsed
US
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Capacity controlled relay
Assignee: PAUL S EDWARDS
•
Filing: 1928-09-13
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Granted: 1933-04-25
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Expires: 1948-09-13
Abstract
No abstract record available.
Inventors
- 👤 Constantin D Barbulesco
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:18
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/51; H03K17/54; G; G08; G08B; G08B13/00; G08B13/22; G08B13/26; H03K17/94; H03K17/945; H03K17/955; Y; Y10; Y10S; Y10S128/00; Y10S128/902
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1936-04-24 | 1936-10-24 | 1937-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-04-24 | 1940-10-24 | 1941-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-04-24 | 1944-10-24 | 1945-04-25 | $7700.00 | Window Closed / Lapsed |