Patent US3501582A successfully refreshed from Google Patents.
US3501582A
Expired / Lapsed
US
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Electrical assembly
Assignee: Unisys Corp
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Filing: 1968-04-18
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Granted: 1970-03-17
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Expires: 1988-04-18
Abstract
No abstract record available.
Inventors
- 👤 Glen R Heidler
- 👤 Ralph Saunders
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:37
CPC Classifications
H; H05; H05K; H05K3/00; H05K3/30; H05K3/32; H05K3/34; H05K3/3405; H05K5/00; H05K5/0091; H05K5/0095; H05K2201/00; H05K2201/10; H05K2201/10227; H05K2201/10386; H05K3/22; H05K3/28; H05K3/284; Y; Y10; Y10S; Y10S65/00; Y10S65/11
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) | 1973-03-16 | 1973-09-15 | 1974-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-16 | 1977-09-15 | 1978-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-16 | 1981-09-15 | 1982-03-17 | $7700.00 | Window Closed / Lapsed |