US2676124A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for making capacitor
Assignee: Individual
•
Filing: 1950-06-28
•
Granted: 1954-04-20
•
Expires: 1970-06-28
Abstract
No abstract record available.
Inventors
- 👤 Levin W Foster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:06
CPC Classifications
H; H01; H01G; H01G13/00; H01G13/04; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902; Y10T29/49071
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1594124A
Cited
US1729056A
Cited
US1970776A
Cited
US2414320A
Cited
US2492166A
Cited
US2442183A
Cited
US2526688A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-19 | 1957-10-19 | 1958-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-19 | 1961-10-19 | 1962-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-19 | 1965-10-19 | 1966-04-20 | $7700.00 | Window Closed / Lapsed |