US2530677A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for plating crankshafts
Assignee: Individual
•
Filing: 1946-01-17
•
Granted: 1950-11-21
•
Expires: 1966-01-17
Abstract
No abstract record available.
Inventors
- 👤 Edward L Berkenkotter
- 👤 Herz John Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:05
CPC Classifications
C; C25; C25D; C25D7/00; C25D7/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB189918643A
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GB190403087A
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GB154282A
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US1850426A
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US1861272A
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US1880382A
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US2076909A
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US1953955A
Cited
US2323952A
Cited
FR877169A
Cited
US2422242A
Cited
US2473290A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-20 | 1954-05-22 | 1954-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-20 | 1958-05-22 | 1958-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-20 | 1962-05-22 | 1962-11-21 | $7700.00 | Window Closed / Lapsed |