US2482176A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrode connecting pin
Assignee: National Carbon Co Inc
•
Filing: 1948-04-03
•
Granted: 1949-09-20
•
Expires: 1968-04-03
Abstract
No abstract record available.
Inventors
- 👤 Victor C Hamister
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:16
CPC Classifications
H; H05; H05B; H05B7/00; H05B7/02; H05B7/14; Y; Y02; Y02P; Y02P10/00; Y02P10/25; Y10; Y10S; Y10S403/00; Y10S403/05; Y10T; Y10T403/00; Y10T403/55; Y10T403/556
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB191106986A
Cited
GB191106984A
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US1040830A
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US1287678A
Cited
US1467060A
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GB197638A
Cited
US1743888A
Cited
US1850515A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-09-19 | 1953-03-21 | 1953-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-19 | 1957-03-21 | 1957-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-19 | 1961-03-21 | 1961-09-20 | $7700.00 | Window Closed / Lapsed |