Patent US2854501A successfully refreshed from Google Patents.
US2854501A
Expired / Lapsed
US
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Locking device for wiring elements
Assignee: Individual
•
Filing: 1954-03-18
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Granted: 1958-09-30
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Expires: 1974-03-18
Abstract
No abstract record available.
Inventors
- 👤 Ludwig Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:20
CPC Classifications
H; H02; H02B; H02B1/00; H02B1/015; H02B1/04; H02B1/044
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1853228A
Cited
US1909270A
Cited
US2160713A
Cited
US2248201A
Cited
US2560507A
Cited
US2579168A
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 |