US2949640A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing electric capacitor
Assignee: Aerovox Corp
•
Filing: 1953-09-24
•
Granted: 1960-08-23
•
Expires: 1973-09-24
Abstract
No abstract record available.
Inventors
- 👤 Collins Joseph Leo
- 👤 Kahn Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:28
CPC Classifications
B; B29; B29C; B29C70/00; B29C70/68; B29C70/72; B29C39/00; B29C39/003; B29C39/006; B29C39/02; B29C39/10; B29C39/22; B29C39/42; H; H01; H01B; H01B3/00; H01B3/18; H01B3/30; H01B3/42; H01B3/421; H01B3/425; H01G; H01G4/00; H01G4/002; H01G4/018; H01G4/20; H01G4/22; B29K; B29K2067/00; B29K2067/06; B29L; B29L2031/00; B29L2031/30; B29L2031/3055; B29L2031/3061; B29L2031/34; B29L2031/3406
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) | 1963-08-23 | 1964-02-22 | 1964-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-23 | 1968-02-22 | 1968-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-23 | 1972-02-22 | 1972-08-23 | $7700.00 | Window Closed / Lapsed |