US3497774A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical circuit module and method of manufacture
Assignee: Johnson Matthey Inc
•
Filing: 1967-06-07
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Granted: 1970-02-24
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Expires: 1987-06-07
Abstract
No abstract record available.
Inventors
- 👤 Leon B Hornberger
- 👤 Milton J Strief
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:18
CPC Classifications
H; H10; H10W; H10W72/00; H10W72/071; H10W72/072; H10W72/073; H10W72/07231; H10W72/07236; H10W72/07331; H10W72/07336; H10W72/075; H10W72/30; H10W72/351; H10W72/353; H10W72/354; H10W72/851; H10W72/874; H10W72/884; H10W90/00; H10W90/701; H10W90/731; H10W90/734; H10W90/751; H10W90/754
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) | 1973-02-23 | 1973-08-25 | 1974-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-23 | 1977-08-25 | 1978-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-23 | 1981-08-25 | 1982-02-24 | $7700.00 | Window Closed / Lapsed |