US3488841A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for manufacturing electrical contact elements
Assignee: Stern Metals Corp
•
Filing: 1965-11-19
•
Granted: 1970-01-13
•
Expires: 1985-11-19
Abstract
No abstract record available.
Inventors
- 👤 Theodore L Stern
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:09
CPC Classifications
H; H01; H01H; H01H11/00; H01H11/04; H01H11/041; H01H11/043; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49204; Y10T29/49208; Y10T29/4921; Y10T29/49211; Y10T29/49213; Y10T29/49799; Y10T29/51; Y10T29/5176; Y10T29/53; Y10T29/5313; Y10T29/532
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-12 | 1973-07-14 | 1974-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-12 | 1977-07-14 | 1978-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-12 | 1981-07-14 | 1982-01-13 | $7700.00 | Window Closed / Lapsed |