US3244610A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tamped connections
Assignee: Union Carbide Canada Ltd
•
Filing: 1961-11-29
•
Granted: 1966-04-05
•
Expires: 1981-11-29
Abstract
No abstract record available.
Inventors
- 👤 Howard M Brown
- 👤 Thomas R Pezzack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:32
CPC Classifications
C; C25; C25B; C25B9/00; C25B9/60; C25B9/65
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
44 words
A LEAD-IN ROD ASSEMBLY FOR USE IN ELECTROLYTIC CELLS, SAID LEAD-IN ROD ASSEMBLY COMPRISING AN ELECTRICAL CONDUCTOR ONE END OF WHICH IS EMBEDDED WITHIN A RECESS IN SAID LEAD-IN ROD, AND SECURED THERETO BY TAMPED COPPER AMALGAM THUS FORMING A LOW RESISTANCE ELECTRICAL CONNECTION.
Claim 2
Dependent Claim
44 words
A LEAD-IN ROD ASSEMBLY FOR USE IN ELECTROLYTIC CELLS, SAID LEAD-IN ROD ASSEMBLY COMPRISING AN ELECTRICAL CONDUCTOR ONE END OF WHICH IS EMBEDDED WITHIN A RECESS IN SAID LEAD-IN ROD, AND SECURED THERETO BY TAMPED COPPER AMALGAM THUS FORMING A LOW RESISTANCE ELECTRICAL CONNECTION.
References Cited (Backward Citations)
US667421A
Cited
GB190219368A
Cited
US1863429A
Cited
US2655641A
Cited
US2967142A
Cited
US3043755A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-04 | 1969-10-04 | 1970-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-04 | 1973-10-04 | 1974-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-04 | 1977-10-04 | 1978-04-05 | $7700.00 | Window Closed / Lapsed |