US2477339A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Doctor mechanism for rolls and cylinders
Assignee: Lodding Engineering Corp
•
Filing: 1945-02-14
•
Granted: 1949-07-26
•
Expires: 1965-02-14
Abstract
No abstract record available.
Inventors
- 👤 Ernst R Ljungquist
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:10
CPC Classifications
D; D21; D21G; D21G3/00; D21G3/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1119816A
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US1552363A
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US1907623A
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US1912605A
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US1803927A
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US1927694A
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US2117032A
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US2287350A
Cited
US2376502A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-07-25 | 1953-01-24 | 1953-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-25 | 1957-01-24 | 1957-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-25 | 1961-01-24 | 1961-07-26 | $7700.00 | Window Closed / Lapsed |