US1955115A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Storage battery
Assignee: DRUMM BATTERY Co Ltd
•
Filing: 1930-09-06
•
Granted: 1934-04-17
•
Expires: 1950-09-06
Abstract
No abstract record available.
Inventors
- 👤 Drumm James Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:54
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/04; H01M4/0438; H01M4/045; H01M4/0452; H01M10/00; H01M10/24; H01M4/0473; H01M4/048; H01M4/24; H01M4/62; H01M4/624; H01M4/626; H01M4/64; H01M4/66; H01M4/665; H01M4/667; H01M4/70; H01M4/72; H01M4/74; H01M4/745; H01M4/747; H01M2004/026; H01M2004/027; H01M2004/028; H01M4/36; H01M4/48; H01M4/52; H01M4/54; H01M4/625; H01M4/661; H01M4/669; H01M4/76; H01M4/762; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1937-04-16 | 1937-10-16 | 1938-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-04-16 | 1941-10-16 | 1942-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-04-16 | 1945-10-16 | 1946-04-17 | $7700.00 | Window Closed / Lapsed |