US2645676A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of assembling and insulating flat dry cells
Assignee: Pile Leclanche SA
•
Filing: 1950-02-16
•
Granted: 1953-07-14
•
Expires: 1970-02-16
Abstract
No abstract record available.
Inventors
- 👤 Emeriat Raymond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:16
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/42; H01M6/46; H01M50/00; H01M50/50; H01M50/543; H01M50/547; H01M50/548; H01M50/552; H01M50/553; H01M50/555; H01M50/564; H01M50/566; H01M6/04; H01M6/06; H01M6/12; H01M6/48; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49108; Y10T29/4911
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1174593A
Cited
US1793710A
Cited
US1863713A
Cited
US2086735A
Cited
US2106276A
Cited
US2210509A
Cited
GB530859A
Cited
US2275967A
Cited
US2302846A
Cited
US2307764A
Cited
US2355197A
Cited
US2307770A
Cited
GB556907A
Cited
US2519527A
Cited
US2416079A
Cited
CH235835A
Cited
FR957201A
Cited
US2536697A
Cited
FR985992A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-13 | 1957-01-12 | 1957-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-13 | 1961-01-12 | 1961-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-13 | 1965-01-12 | 1965-07-14 | $7700.00 | Window Closed / Lapsed |