US2587857A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Endless belt snapping rolls
Assignee: International Motors LLC
•
Filing: 1948-09-30
•
Granted: 1952-03-04
•
Expires: 1968-09-30
Abstract
No abstract record available.
Inventors
- 👤 Elof K Karlsson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:37
CPC Classifications
A; A01; A01D; A01D45/00; A01D45/02; A01D45/021; A01D45/025; Y; Y10; Y10S; Y10S56/00; Y10S56/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US59324A
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US407423A
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US877461A
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US1017625A
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US1404813A
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US1835190A
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US1766348A
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US2026761A
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US2169070A
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US2234447A
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US2360131A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-04 | 1955-09-03 | 1956-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-04 | 1959-09-03 | 1960-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-04 | 1963-09-03 | 1964-03-04 | $7700.00 | Window Closed / Lapsed |