US2863974A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat dissipating electrical circuit component
Assignee: Allen Bradley Co LLC
•
Filing: 1955-02-07
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Granted: 1958-12-09
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Expires: 1975-02-07
Abstract
No abstract record available.
Inventors
- 👤 Harold H Zabel
- 👤 Daniel S W Kelly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:27
CPC Classifications
H; H01; H01C; H01C7/00; H01C7/001; H01C1/00; H01C1/04; H01C1/08; H01C1/084; Y; Y10; Y10S; Y10S165/00; Y10S165/905
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-08 | 1962-06-09 | 1962-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-08 | 1966-06-09 | 1966-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-08 | 1970-06-09 | 1970-12-09 | $7700.00 | Window Closed / Lapsed |