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US2853564A
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Assignee: BRUBAKER ELECTRONICS Inc
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Filing: 1955-12-12
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Granted: 1958-09-23
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Expires: 1975-12-12
Abstract
No abstract record available.
Inventors
- 👤 Carl D Gahagan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:07
CPC Classifications
H; H01; H01H; H01H19/00; H01H19/001; H01H19/54; H01H19/56; H01H19/58; H01H19/585; H01H19/02; H01H19/10; H01H19/11
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB258619A
Cited
FR760989A
Cited
DE626006C
Cited
US2264045A
Cited
GB571960A
Cited
US2481033A
Cited
US2698884A
Cited
US2787713A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-22 | 1962-03-24 | 1962-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-22 | 1966-03-24 | 1966-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-22 | 1970-03-24 | 1970-09-23 | $7700.00 | Window Closed / Lapsed |