US2468888A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal-backed nonwelding contact
Assignee: Cutler Hammer Inc
•
Filing: 1944-09-25
•
Granted: 1949-05-03
•
Expires: 1964-09-25
Abstract
No abstract record available.
Inventors
- 👤 Harold L Mekelburg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:25
CPC Classifications
H; H01; H01H; H01H1/00; H01H1/02; H01H1/021; H01H1/023; H01H1/0231; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9265; Y10S428/929; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12146; Y10T428/12229; Y10T428/12264; Y10T428/12493; Y10T428/12771; Y10T428/12861; Y10T428/12896
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1047524A
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US1181742A
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US2026344A
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US2255120A
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US2298999A
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US2307668A
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US2288122A
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US2347815A
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US2425053A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-05-02 | 1952-11-01 | 1953-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-02 | 1956-11-01 | 1957-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-02 | 1960-11-01 | 1961-05-03 | $7700.00 | Window Closed / Lapsed |