US2729693A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dry cell
Assignee: Individual
•
Filing: 1954-02-16
•
Granted: 1956-01-03
•
Expires: 1974-02-16
Abstract
No abstract record available.
Inventors
- 👤 James W Waber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:32
CPC Classifications
H; H01; H01M; H01M50/00; H01M50/10; H01M50/172; H01M50/174; H01M50/182; H01M50/50; H01M50/572; H01M50/598; H01M6/00; H01M6/04; H01M6/06; H01M6/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
A DRY CELL COMPRISING A METALLIC CUP MEMBER CONTAINING A MASS OF MIX, AN ELECTROLYTE AND A CARBON ELETRODE, A CLOSURE MEMBER CARRIED BY SAID CUP MEMBER, ONE OF SAID MEMBERS CONTAINING AN OPENING, AND A SUBSTAN-
Claim 2
Dependent Claim
37 words
A DRY CELL COMPRISING A METALLIC CUP MEMBER CONTAINING A MASS OF MIX, AN ELECTROLYTE AND A CARBON ELETRODE, A CLOSURE MEMBER CARRIED BY SAID CUP MEMBER, ONE OF SAID MEMBERS CONTAINING AN OPENING, AND A SUBSTAN-
References Cited (Backward Citations)
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-02 | 1959-07-04 | 1960-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-02 | 1963-07-04 | 1964-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-02 | 1967-07-04 | 1968-01-03 | $7700.00 | Window Closed / Lapsed |