US2665329A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Closure and terminal seal for electrolytic devices
Assignee: Individual
•
Filing: 1947-03-11
•
Granted: 1954-01-05
•
Expires: 1967-03-11
Abstract
No abstract record available.
Inventors
- 👤 Joseph B Brennan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:19
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/04; H01M6/06; H01M6/08; H01M50/00; H01M50/10; H01M50/102; H01M50/107
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1910426A
Cited
US2144959A
Cited
US2213209A
Cited
US2267717A
Cited
US2264900A
Cited
GB578240A
Cited
US2445719A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-04 | 1957-07-06 | 1958-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-04 | 1961-07-06 | 1962-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-04 | 1965-07-06 | 1966-01-05 | $7700.00 | Window Closed / Lapsed |