US2854796A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for making capacitors
Assignee: RADIO KEMETAL IND Inc
•
Filing: 1955-06-13
•
Granted: 1958-10-07
•
Expires: 1975-06-13
Abstract
No abstract record available.
Inventors
- 👤 Hal F Fruth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:31
CPC Classifications
B; B24; B24B; B24B31/00; B24B31/02; H; H01; H01G; H01G13/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US760664A
Cited
US1360511A
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US2199707A
Cited
US2391634A
Cited
US2387136A
Cited
US2450606A
Cited
US2664676A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-06 | 1962-04-07 | 1962-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-06 | 1966-04-07 | 1966-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-06 | 1970-04-07 | 1970-10-07 | $7700.00 | Window Closed / Lapsed |