US2713700A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing sealed capacitors
Assignee: Astron Corp
•
Filing: 1952-09-17
•
Granted: 1955-07-26
•
Expires: 1972-09-17
Abstract
No abstract record available.
Inventors
- 👤 John H Fisher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:54
CPC Classifications
H; H01; H01G; H01G13/00; H01G13/003; H01G4/00; H01G4/32
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) | 1958-07-25 | 1959-01-24 | 1959-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-07-25 | 1963-01-24 | 1963-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-07-25 | 1967-01-24 | 1967-07-26 | $7700.00 | Window Closed / Lapsed |