US2608595A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Force fitted case for single cells
Assignee: Duracell Inc USA
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Filing: 1950-01-17
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Granted: 1952-08-26
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Expires: 1970-01-17
Abstract
No abstract record available.
Inventors
- 👤 William C Conklin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:32
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/04; H01M6/06; H01M6/12; H01M50/00; H01M50/10; H01M50/102; H01M50/109; H01M50/30; H01M50/392
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
IN COMBINATION WITH A DRY CELL COMPRISING A FIRST SEALED CONTAINER, AN ANODE, AN ELECTROLYTE, AN EMERGENCY VENT IN THE BOTTOM WALL OF SAID CONAINER AND RESPONSIVE TO EXCESS PRESSURE WITHIN THE CELL, A FLANGE ON SAID CONTAINER, A SECOND CONTAINER SEPARATE THEREFROM INCLUDING A ROLLED TOP PORTION, SAID ROLLED TOP PORTION SITUATED BENEATH SAID FLANGE AND MAKING DIRECT CONTACT THEREWITH, AND AN ABSORBENT CYLINDRICAL RING ENCASING THE LOWER PERIPHERAL PORTION OF THE FIRST CONTAINER AND ABUTTING THE BOTTOM OF SAID SECOND CONTAINER, THE BOTTOMS OF SAID FIRST AND SECOND CONTAINER BEING SPACED APART, WHEREBY SAID FIRST CONTAINER IS MAINTAINED AT A DEFINITE MINIMUM SPACING FROM THE BOTTOM OF SAID SECOND CONTAINER WHILE MAKING ELECTRICAL CONTACT THEREWITH.
Claim 2
Dependent Claim
117 words
IN COMBINATION WITH A DRY CELL COMPRISING A FIRST SEALED CONTAINER, AN ANODE, AN ELECTROLYTE, AN EMERGENCY VENT IN THE BOTTOM WALL OF SAID CONAINER AND RESPONSIVE TO EXCESS PRESSURE WITHIN THE CELL, A FLANGE ON SAID CONTAINER, A SECOND CONTAINER SEPARATE THEREFROM INCLUDING A ROLLED TOP PORTION, SAID ROLLED TOP PORTION SITUATED BENEATH SAID FLANGE AND MAKING DIRECT CONTACT THEREWITH, AND AN ABSORBENT CYLINDRICAL RING ENCASING THE LOWER PERIPHERAL PORTION OF THE FIRST CONTAINER AND ABUTTING THE BOTTOM OF SAID SECOND CONTAINER, THE BOTTOMS OF SAID FIRST AND SECOND CONTAINER BEING SPACED APART, WHEREBY SAID FIRST CONTAINER IS MAINTAINED AT A DEFINITE MINIMUM SPACING FROM THE BOTTOM OF SAID SECOND CONTAINER WHILE MAKING ELECTRICAL CONTACT THEREWITH.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-26 | 1956-02-25 | 1956-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-26 | 1960-02-25 | 1960-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-26 | 1964-02-25 | 1964-08-26 | $7700.00 | Window Closed / Lapsed |