US3480421A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making capacitors
Assignee: Corning Glass Works
•
Filing: 1965-09-22
•
Granted: 1969-11-25
•
Expires: 1985-09-22
Abstract
No abstract record available.
Inventors
- 👤 Richard E Allen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 01:48
CPC Classifications
H; H01; H01G; H01G4/00; H01G4/30; C; C03; C03C; C03C10/00; C03C10/0072; H01G4/002; H01G4/018; H01G4/06; H01G4/08; H01G4/12; H01G4/129; Y; Y10; Y10T; Y10T29/00; Y10T29/43; Y10T29/435
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-24 | 1973-05-26 | 1973-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-24 | 1977-05-26 | 1977-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-24 | 1981-05-26 | 1981-11-25 | $7700.00 | Window Closed / Lapsed |