US2863105A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rectifying device
Assignee: Hoffman Electronics Corp
•
Filing: 1955-11-10
•
Granted: 1958-12-02
•
Expires: 1975-11-10
Abstract
No abstract record available.
Inventors
- 👤 Ross Bernd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:31
CPC Classifications
H; H10; H10W; H10W72/00; H10D; H10D8/00; H10H; H10H20/00; H10H20/80; H10P; H10P14/00; H10P14/40; H10W76/00; H10W76/10; H10W76/17; H10W76/60; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49169; Y10T29/49171; Y10T29/49172; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12771; Y10T428/12861; Y10T428/12944
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2441603A
Cited
US2570978A
Cited
US2597028A
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US2708646A
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US2689930A
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US2736847A
Cited
US2815472A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-01 | 1962-06-02 | 1962-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-01 | 1966-06-02 | 1966-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-01 | 1970-06-02 | 1970-12-02 | $7700.00 | Window Closed / Lapsed |