US2555301A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for pasting battery plates
Assignee: Eagle Picher Co
•
Filing: 1944-11-13
•
Granted: 1951-06-05
•
Expires: 1964-11-13
Abstract
No abstract record available.
Inventors
- 👤 Melvin F Chubb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:42
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/14; H01M4/16; H01M4/20; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
214 words
THE PROCESS OF CONTINUOUSLY PASTING BATTERY PLATES WHICH COMPRISES CONTINUOUSLY MIXING A MINOR PROPORTION OF A POWDERED SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF BASIC LEAD SULPHATE AND NORMAL LEAD SULPHATE WITH A MAJOR PROPORTION OF POWDERED BATTERY-MAKER''S LITHARGE, FEEDING A COLUMN ONTO A SURFACE HAVING A SUBSULTANT COMPOSITION ONTO A SURFACE HAVING A SUBSTANTIALLY STRAIGHT LINEAR MOTION, SUBJECTING THE COLUMN OF DRY COMPOSITION ON SAID MOVING SURFACE TO A SPRAY OF WATER OF SUFFICIENT BUT NO MORE VOLUME AND DURATION THAN TO CREATE A PASTE, CONTINUOUSLY DISPLACING SAID WETTED COLUMN FROM SAID MOVING SURFACE INTO A SPACE IN WHICH IT IS SUBJECT TO A MIXING ACTION AND THEN CONTINUOUSLY DISCHARGING SAID MIXED PASTE BETWEEN A ROTATING CYLINDRICAL SURFACE AND A MOVING LINE OF EMPTY BATTERY GRIDS, SAID SURFACE AND SAID GRIDS BOTH MOVING IN THE SAME DIRECTION AND IN SUCH CLOSE CONTACT THAT THE ROTATING SURFACE PRESSES SAID PASTE COMPOSITION WITH SUFFICIENT FORCE INTO SAID EMPTY GRIDS TO CONTINUOUSLY FILL THE LATTER AND LEAVE THEIR TOP SURFACES SUBSTANTIALLY SMOOTH, THE PROCSS BEING OPERATED AT SUCH A SPEED THAT THE TIME INTERVAL BETWEEN THOROUGH MIXING AND COMPLETE FILLING OF THE GRIDS IS BETWEEN ONE-HALF MINUTE AND FIVE MINUTES SO THAT HARDENING OF THE COMPOSITION TAKES PLACE ONLY IN THE GRID AFTER THE FILLING THEREOF.
Claim 2
Dependent Claim
214 words
THE PROCESS OF CONTINUOUSLY PASTING BATTERY PLATES WHICH COMPRISES CONTINUOUSLY MIXING A MINOR PROPORTION OF A POWDERED SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF BASIC LEAD SULPHATE AND NORMAL LEAD SULPHATE WITH A MAJOR PROPORTION OF POWDERED BATTERY-MAKER''S LITHARGE, FEEDING A COLUMN ONTO A SURFACE HAVING A SUBSULTANT COMPOSITION ONTO A SURFACE HAVING A SUBSTANTIALLY STRAIGHT LINEAR MOTION, SUBJECTING THE COLUMN OF DRY COMPOSITION ON SAID MOVING SURFACE TO A SPRAY OF WATER OF SUFFICIENT BUT NO MORE VOLUME AND DURATION THAN TO CREATE A PASTE, CONTINUOUSLY DISPLACING SAID WETTED COLUMN FROM SAID MOVING SURFACE INTO A SPACE IN WHICH IT IS SUBJECT TO A MIXING ACTION AND THEN CONTINUOUSLY DISCHARGING SAID MIXED PASTE BETWEEN A ROTATING CYLINDRICAL SURFACE AND A MOVING LINE OF EMPTY BATTERY GRIDS, SAID SURFACE AND SAID GRIDS BOTH MOVING IN THE SAME DIRECTION AND IN SUCH CLOSE CONTACT THAT THE ROTATING SURFACE PRESSES SAID PASTE COMPOSITION WITH SUFFICIENT FORCE INTO SAID EMPTY GRIDS TO CONTINUOUSLY FILL THE LATTER AND LEAVE THEIR TOP SURFACES SUBSTANTIALLY SMOOTH, THE PROCSS BEING OPERATED AT SUCH A SPEED THAT THE TIME INTERVAL BETWEEN THOROUGH MIXING AND COMPLETE FILLING OF THE GRIDS IS BETWEEN ONE-HALF MINUTE AND FIVE MINUTES SO THAT HARDENING OF THE COMPOSITION TAKES PLACE ONLY IN THE GRID AFTER THE FILLING THEREOF.
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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) | 1954-06-04 | 1954-12-04 | 1955-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-04 | 1958-12-04 | 1959-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-04 | 1962-12-04 | 1963-06-05 | $7700.00 | Window Closed / Lapsed |