US2853957A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for reducing electrical resistance to signal shunt current
Assignee: ThyssenKrupp Budd Co
•
Filing: 1956-03-15
•
Granted: 1958-09-30
•
Expires: 1976-03-15
Abstract
No abstract record available.
Inventors
- 👤 Albert G Dean
- 👤 John E Burton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:07
CPC Classifications
B; B61; B61L; B61L23/00; B61L23/08; B61L23/10; B61L1/00; B61L1/18; B61L1/181; B61L1/182; B61L1/183
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1554068A
Cited
US2176616A
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US2176639A
Cited
US2135514A
Cited
US2135496A
Cited
US2418587A
Cited
US2766056A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-29 | 1962-03-31 | 1962-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-29 | 1966-03-31 | 1966-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-29 | 1970-03-31 | 1970-09-30 | $7700.00 | Window Closed / Lapsed |