US2651834A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Commutator blank and method of making commutators
Assignee: KIRKWOOD COMMUTATOR Co
•
Filing: 1950-10-19
•
Granted: 1953-09-15
•
Expires: 1970-10-19
Abstract
No abstract record available.
Inventors
- 👤 Klym Julius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:50
CPC Classifications
H; H01; H01R; H01R43/00; H01R43/06; H01R43/08; Y; Y10; Y10S; Y10S200/00; Y10S200/07; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49009; Y10T29/49011
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1296969A
Cited
DE289850C
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US142666A
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US497253A
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DE289965C
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US653945A
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US1247297A
Cited
US1282051A
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US1429352A
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US1845115A
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US2251326A
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CH229700A
Cited
US2451500A
Cited
GB603905A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-14 | 1957-03-16 | 1957-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-14 | 1961-03-16 | 1961-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-14 | 1965-03-16 | 1965-09-15 | $7700.00 | Window Closed / Lapsed |