Patent JPS5619059A successfully refreshed from Google Patents.
Patent US2671820A successfully refreshed from Google Patents.
US2671820A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination jumper insulator
Assignee: Spectrum Brands Inc
•
Filing: 1951-05-18
•
Granted: 1954-03-09
•
Expires: 1971-05-18
Abstract
No abstract record available.
Inventors
- 👤 William S Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:24
CPC Classifications
H; H01; H01M; H01M50/00; H01M50/50; H01M50/528; H01M6/00; H01M6/42; H01M6/44
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1075556A
Cited
DE372937C
Cited
GB187722A
Cited
GB346862A
Cited
US1900906A
Cited
FR876242A
Cited
US2405034A
Cited
US2475152A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-08 | 1957-09-07 | 1958-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-08 | 1961-09-07 | 1962-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-08 | 1965-09-07 | 1966-03-09 | $7700.00 | Window Closed / Lapsed |