US2828350A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sodium bismuthate cell
Assignee: Hamilton Watch Co
•
Filing: 1956-10-03
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Granted: 1958-03-25
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Expires: 1976-10-03
Abstract
No abstract record available.
Inventors
- 👤 Jr John W Rhyne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:02
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/04; H01M6/06; H01M4/00; H01M4/02; H01M4/36; H01M4/58; H01M4/5825
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
19 words
AN ALKALINE DRY WELL COMPRISING AN ANODE, AN ALKALINE ELECTROLYTE, AND A DEPOLARIZER CATHODE CONSISTING ESSENTIALLY OF SODIUM BISMUTHATE.
Claim 2
Dependent Claim
19 words
AN ALKALINE DRY WELL COMPRISING AN ANODE, AN ALKALINE ELECTROLYTE, AND A DEPOLARIZER CATHODE CONSISTING ESSENTIALLY OF SODIUM BISMUTHATE.
References Cited (Backward Citations)
US1195677A
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 |