Patent US3284244A successfully refreshed from Google Patents.
US3284244A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple vent plug assembly
Assignee: Richardson Co
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Filing: 1965-10-04
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Granted: 1966-11-08
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Expires: 1985-10-04
Abstract
No abstract record available.
Inventors
- 👤 Gordon B Lucas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:56
CPC Classifications
H; H01; H01M; H01M50/00; H01M50/30; H01M50/308; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A MULTIPLE VENT PLUG ASSEMBLY FOR ELECTRICAL STORAGE BATTERY FILLING WELLS COMPRISING A ONE-PIECE, ELONGATED PLASTIC BODY PROVIDED WITH A PLURALITY OF INWARDLY EXTENDING PROJECTIONS WHICH FORM PAIRS OF OPPOSING RECESSES SPACED AT PREDETERMINED INTERVALS ALONG THE LONGITUDINAL AXIS AT THE UNDERSIDE OF SAID BODY, A PLURALITY OF HOLLOW VENT PLUGS HAVING LATERALLY PROJECTING LUGS EXTENDING INTO SAID RECESSES, SAID PLUGS BEING SUSPENDED FROM SAID BODY BY MEANS OF SAID LUGS, AND MEANS FOR PERMITTING EGRESS OF GASES FROM BATTERY CELLS TO THE ATMOSPHERE THROUGH SAID VENT PLUGS.
Claim 2
Dependent Claim
88 words
A MULTIPLE VENT PLUG ASSEMBLY FOR ELECTRICAL STORAGE BATTERY FILLING WELLS COMPRISING A ONE-PIECE, ELONGATED PLASTIC BODY PROVIDED WITH A PLURALITY OF INWARDLY EXTENDING PROJECTIONS WHICH FORM PAIRS OF OPPOSING RECESSES SPACED AT PREDETERMINED INTERVALS ALONG THE LONGITUDINAL AXIS AT THE UNDERSIDE OF SAID BODY, A PLURALITY OF HOLLOW VENT PLUGS HAVING LATERALLY PROJECTING LUGS EXTENDING INTO SAID RECESSES, SAID PLUGS BEING SUSPENDED FROM SAID BODY BY MEANS OF SAID LUGS, AND MEANS FOR PERMITTING EGRESS OF GASES FROM BATTERY CELLS TO THE ATMOSPHERE THROUGH SAID VENT PLUGS.
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) | 1969-11-07 | 1970-05-09 | 1970-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-07 | 1974-05-09 | 1974-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-07 | 1978-05-09 | 1978-11-08 | $7700.00 | Window Closed / Lapsed |