Patent US2835719A successfully refreshed from Google Patents.
US2835719A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of storage battery plates
Assignee: Individual
•
Filing: 1955-01-19
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Granted: 1958-05-20
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Expires: 1975-01-19
Abstract
No abstract record available.
Inventors
- 👤 Bazalgette Guy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:27
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/36; H01M4/48; H01M4/56; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
A METHOD FOR THE MANUFACTURE OF STORAGE BATTERY LEAD PLATES OBTAINED BY IMPASTING LEAD ALLOY GRIDS COMPRISING THE STEPS OF PROVIDING A DRAFT OF AIR AND ENTRAINING THEREIN LOAD PARTICLES WHICH ARE ERODE FROM SCRAPS OF LEAD IN THE PRESENCE OF THAT DRAUGHT OF AIR, THUS PRODUCING AN ENTRAINED POWDER CONTAINING A MAJOR PROPORTION OF LEAD SUBOXIDE, SEPARATING SAID POWER FROM SAID DRAUGHT OF AIR WHICH CARRIES IT AWAY AND DIRECTLY AND IMMEDIATELY WITHOUT FURTHER OXIDATION IMMERSING IT UNDER WATER, WHEREBY A STABILIZED AQUEOUS PASTE OF LEAD SUBOXIDE IS OBTAINED, DECANTING SAID PASTE WITH THE EXCESS OF REMAINING WATER, MIXING SAID PASTE WITH SULFURIC ACID AND IMPASTING SAID GRIDS WITH SAID PASTE.
Claim 2
Independent Claim
112 words
A METHOD FOR THE MANUFACTURE OF STORAGE BATTERY LEAD PLATES OBTAINED BY IMPASTING LEAD ALLOY GRIDS COMPRISING THE STEPS OF PROVIDING A DRAFT OF AIR AND ENTRAINING THEREIN LOAD PARTICLES WHICH ARE ERODE FROM SCRAPS OF LEAD IN THE PRESENCE OF THAT DRAUGHT OF AIR, THUS PRODUCING AN ENTRAINED POWDER CONTAINING A MAJOR PROPORTION OF LEAD SUBOXIDE, SEPARATING SAID POWER FROM SAID DRAUGHT OF AIR WHICH CARRIES IT AWAY AND DIRECTLY AND IMMEDIATELY WITHOUT FURTHER OXIDATION IMMERSING IT UNDER WATER, WHEREBY A STABILIZED AQUEOUS PASTE OF LEAD SUBOXIDE IS OBTAINED, DECANTING SAID PASTE WITH THE EXCESS OF REMAINING WATER, MIXING SAID PASTE WITH SULFURIC ACID AND IMPASTING SAID GRIDS WITH SAID PASTE.
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) | 1961-05-19 | 1961-11-18 | 1962-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-19 | 1965-11-18 | 1966-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-19 | 1969-11-18 | 1970-05-20 | $7700.00 | Window Closed / Lapsed |