US2654945A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical contact
Assignee: Cutler Hammer Inc
•
Filing: 1948-10-11
•
Granted: 1953-10-13
•
Expires: 1968-10-11
Abstract
No abstract record available.
Inventors
- 👤 Linwood T Richardson
- 👤 Merle R Swinehart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:59
CPC Classifications
H; H01; H01H; H01H1/00; H01H1/02; H01H1/021; H01H1/023
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
14 words
AN ELECTRICAL CONTACT CONSISTING OF SEVENTYFIVE PER CENT TO NINETY-FIVE PER CENT BY WEIGHT
Claim 2
Dependent Claim
14 words
AN ELECTRICAL CONTACT CONSISTING OF SEVENTYFIVE PER CENT TO NINETY-FIVE PER CENT BY WEIGHT
References Cited (Backward Citations)
US1937381A
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US2057604A
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US2145690A
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US2189756A
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US2288122A
Cited
US2396101A
Cited
US2425052A
Cited
US2496555A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-12 | 1957-04-13 | 1957-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-12 | 1961-04-13 | 1961-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-12 | 1965-04-13 | 1965-10-13 | $7700.00 | Window Closed / Lapsed |