US2828351A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anodes
Assignee: Union Carbide Corp
•
Filing: 1953-11-17
•
Granted: 1958-03-25
•
Expires: 1973-11-17
Abstract
No abstract record available.
Inventors
- 👤 Henry R Rade
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:37
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/06; H01M4/08; H01M4/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
17 words
A PRIMARY GALVANIC CELL ANODE COMPOUND OF 99% OF POWERED ZINC METAL, AND 1% OF POLYETHYLENE POWDER.
Claim 2
Dependent Claim
17 words
A PRIMARY GALVANIC CELL ANODE COMPOUND OF 99% OF POWERED ZINC METAL, AND 1% OF POLYETHYLENE POWDER.
References Cited (Backward Citations)
US2623915A
Cited
US2737541A
Cited
US2677713A
Cited
US2694743A
Cited
US2738375A
Cited
US2708683A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-24 | 1961-09-23 | 1962-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-24 | 1965-09-23 | 1966-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-24 | 1969-09-23 | 1970-03-25 | $7700.00 | Window Closed / Lapsed |