US2480142A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric contact
Assignee: Individual
•
Filing: 1945-09-21
•
Granted: 1949-08-30
•
Expires: 1965-09-21
Abstract
No abstract record available.
Inventors
- 👤 Lager Fred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:28
CPC Classifications
H; H01; H01H; H01H1/00; H01H1/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1884457A
Cited
FR589827A
Cited
US1783665A
Cited
US2025189A
Cited
US2123631A
Cited
US2284097A
Cited
US2300893A
Cited
US2331654A
Cited
US2361721A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-29 | 1953-02-28 | 1953-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-29 | 1957-02-28 | 1957-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-29 | 1961-02-28 | 1961-08-30 | $7700.00 | Window Closed / Lapsed |