Patent US4598307A successfully refreshed from Google Patents.
Patent US3228801A successfully refreshed from Google Patents.
US3228801A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Deferred action dry cell
Assignee: Individual
•
Filing: 1963-09-26
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Granted: 1966-01-11
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Expires: 1983-09-26
Abstract
No abstract record available.
Inventors
- 👤 Gilbert R Snvder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:46
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/30; H01M6/36; H01M6/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
A DEFERRED ACTION DRY CELL COMPRISING: (A) A FIRST ELECTRODE, AND A SECOND ELECTRODE SURROUNDING SAID FIRST ELECTRODE, (B) AN ELECTROLYTE DISPOSED IN THE VOLUME BETWEEN SAID FIRST AND SECOND ELECTRODES, THE AREA BETWEEN SAID ELECTRODES BEING SEALED AT ONE END, (C) AN IMPERVIOUS PROTECTIVE LINER SURROUNDING SAID ELECTROLYTE IN SLIDEING CONTACT WITH SAID SECND ELECTRODE, AND (D) MEANS FOR SEALING THE AREA BETWEEN ELECTRODES AT THE OTHER END, INCLUDING RESILIENT AREA DEFORMABLE MEANS, SAID LINER EXTENDING THROUGH SAID MEANS FOR SEALING AND ENGAGED BY SAID DEFORMABLE MEANS WHEREBY SAID LINER MAY BE GRASPED FROM WITHOUT SAID CELL AND WITHDRAWN, SAID MEANS FOR SEALING MAINTAIN-
Claim 2
Dependent Claim
105 words
A DEFERRED ACTION DRY CELL COMPRISING: (A) A FIRST ELECTRODE, AND A SECOND ELECTRODE SURROUNDING SAID FIRST ELECTRODE, (B) AN ELECTROLYTE DISPOSED IN THE VOLUME BETWEEN SAID FIRST AND SECOND ELECTRODES, THE AREA BETWEEN SAID ELECTRODES BEING SEALED AT ONE END, (C) AN IMPERVIOUS PROTECTIVE LINER SURROUNDING SAID ELECTROLYTE IN SLIDEING CONTACT WITH SAID SECND ELECTRODE, AND (D) MEANS FOR SEALING THE AREA BETWEEN ELECTRODES AT THE OTHER END, INCLUDING RESILIENT AREA DEFORMABLE MEANS, SAID LINER EXTENDING THROUGH SAID MEANS FOR SEALING AND ENGAGED BY SAID DEFORMABLE MEANS WHEREBY SAID LINER MAY BE GRASPED FROM WITHOUT SAID CELL AND WITHDRAWN, SAID MEANS FOR SEALING MAINTAIN-
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) | 1969-01-10 | 1969-07-12 | 1970-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-10 | 1973-07-12 | 1974-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-10 | 1977-07-12 | 1978-01-11 | $7700.00 | Window Closed / Lapsed |