US3531383A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing electric capacitors
Assignee: Siemens AG
•
Filing: 1966-08-05
•
Granted: 1970-09-29
•
Expires: 1986-08-05
Abstract
No abstract record available.
Inventors
- 👤 Gunter Lochmann
- 👤 Hans Winter
- 👤 Reimar Schmitt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:55
CPC Classifications
H; H01; H01G; H01G9/00; H01G9/0029; H01G9/0036; Y; Y10; Y10T; Y10T29/00; Y10T29/43; Y10T29/435
Claims Analysis
Total Claims: 0
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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) | 1973-09-28 | 1974-03-30 | 1974-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-28 | 1978-03-30 | 1978-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-28 | 1982-03-30 | 1982-09-29 | $7700.00 | Window Closed / Lapsed |