Patent US2758259A successfully refreshed from Google Patents.
US2758259A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrolytic capacitor device
Assignee: Duracell Inc USA
•
Filing: 1953-06-23
•
Granted: 1956-08-07
•
Expires: 1973-06-23
Abstract
No abstract record available.
Inventors
- 👤 Gordon V Peck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:00
CPC Classifications
H; H01; H01G; H01G9/00; H01G9/004; H01G9/04; H01G9/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
IN AN ELECTROLYTIC CAPACITOR INCLUDING A CASE HAVING OPENING AND BOTTOM WALLS, A CAPACITOR CARTRIDGE PLACED WITHIN SAID CASING, SAID CAPACITOR CARTRIDGE HAVING A TOP AND A BOTTOM AND A PLURALITY OF TABS, CLOSURE MEANS FOR SAID CAPACITOR CASE, A PLURALITY OF TERMINALS CONNECTED TO SAID TABS, SAID TABS PENETRATING SAID CLOSURE MEANS, MEANS COMPRISING A PLURALITY OF DISCRETELY SPACED ARMS, SAID ARMS HAVING ANGULATED FLANGES FOR CENTERING SAID CAPACITOR CARTRIDGE WITHIN SAID CASE, SAID MEANS FURTHER SUPPORTING THE SAME A DETERMINED DISTANCE FROM BOTH THE SIDE AND BOTTOM WALLS OF SAID CASE AND ALLOWING ONLY ATMOSPHERE TO CIRCUMSCRIBE THE SAME OBVIATING THE NEED FOR PITCH OR WAX TO SUPPORT THE CARTRIDGE WITHIN SAID CASE.
Claim 2
Dependent Claim
115 words
IN AN ELECTROLYTIC CAPACITOR INCLUDING A CASE HAVING OPENING AND BOTTOM WALLS, A CAPACITOR CARTRIDGE PLACED WITHIN SAID CASING, SAID CAPACITOR CARTRIDGE HAVING A TOP AND A BOTTOM AND A PLURALITY OF TABS, CLOSURE MEANS FOR SAID CAPACITOR CASE, A PLURALITY OF TERMINALS CONNECTED TO SAID TABS, SAID TABS PENETRATING SAID CLOSURE MEANS, MEANS COMPRISING A PLURALITY OF DISCRETELY SPACED ARMS, SAID ARMS HAVING ANGULATED FLANGES FOR CENTERING SAID CAPACITOR CARTRIDGE WITHIN SAID CASE, SAID MEANS FURTHER SUPPORTING THE SAME A DETERMINED DISTANCE FROM BOTH THE SIDE AND BOTTOM WALLS OF SAID CASE AND ALLOWING ONLY ATMOSPHERE TO CIRCUMSCRIBE THE SAME OBVIATING THE NEED FOR PITCH OR WAX TO SUPPORT THE CARTRIDGE WITHIN SAID CASE.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-07 | 1960-02-06 | 1960-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-07 | 1964-02-06 | 1964-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-07 | 1968-02-06 | 1968-08-07 | $7700.00 | Window Closed / Lapsed |