US3072984A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Storage cell element connecting strap and method for its production
Assignee: VARTA AG
•
Filing: 1959-09-15
•
Granted: 1963-01-15
•
Expires: 1979-09-15
Abstract
No abstract record available.
Inventors
- 👤 Bronstert Franz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:00
CPC Classifications
H; H01; H01M; H01M50/00; H01M50/50; H01M50/531; H01M50/54; H01M50/541; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y10; Y10S; Y10S164/00; Y10S164/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
A METHOD OF MANUFACTURING A CONNECTING STRAP BETWEEN LUGS OF A GROUP OF STORAGE CELL PLATES OR LIKE POLARITY, THE STEPS WHICH COMPRISE INTRODUCING INTO AN OPEN CAVITY OF A MOLD AN ACCURATELY PREDETERMINED AMOUNT OF LIQUID LEAD AT A PREDETERMINED TEMPERATURE, SUBSEQUENTLY IMMERSING THE LUGS IN SAID LIQUID LEAD, CONTROLLING THE IMMERSION TIME AND THE PROGRESSIVE IMMERSION OF SUCCESSIVE PORTIONS OF THE LUGS SO THAT THE IMMERSION SPEED DECREASES FROM A RAPID INITIAL MOVEMENT TO A MINIMAL SPEED OF IMMERSION AT THE END, THE LENGTH OF THE IMMERSION PATH PER TIME UNIT BEING A FUNCTION OF THE LENGTH OF THE TIME UNIT AND THE IMMERSION SPEED CURVE AT LEAST APPROXIMATING THE LINE OF AN E-FUNCTION, PERMITTING THE LEAD IN THE CAVITY TO COOL, AND REMOVING THE COOLED ASSEMBLY FROM THE MOLD.
Claim 2
Independent Claim
132 words
A METHOD OF MANUFACTURING A CONNECTING STRAP BETWEEN LUGS OF A GROUP OF STORAGE CELL PLATES OR LIKE POLARITY, THE STEPS WHICH COMPRISE INTRODUCING INTO AN OPEN CAVITY OF A MOLD AN ACCURATELY PREDETERMINED AMOUNT OF LIQUID LEAD AT A PREDETERMINED TEMPERATURE, SUBSEQUENTLY IMMERSING THE LUGS IN SAID LIQUID LEAD, CONTROLLING THE IMMERSION TIME AND THE PROGRESSIVE IMMERSION OF SUCCESSIVE PORTIONS OF THE LUGS SO THAT THE IMMERSION SPEED DECREASES FROM A RAPID INITIAL MOVEMENT TO A MINIMAL SPEED OF IMMERSION AT THE END, THE LENGTH OF THE IMMERSION PATH PER TIME UNIT BEING A FUNCTION OF THE LENGTH OF THE TIME UNIT AND THE IMMERSION SPEED CURVE AT LEAST APPROXIMATING THE LINE OF AN E-FUNCTION, PERMITTING THE LEAD IN THE CAVITY TO COOL, AND REMOVING THE COOLED ASSEMBLY FROM THE MOLD.
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) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |