US2645189A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roll separator
Assignee: Individual
•
Filing: 1950-08-19
•
Granted: 1953-07-14
•
Expires: 1970-08-19
Abstract
No abstract record available.
Inventors
- 👤 Hansalik Frederick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:50
CPC Classifications
A; A21; A21C; A21C9/00; A21C9/08; A21C9/085; Y; Y10; Y10T; Y10T225/00; Y10T225/30; Y10T225/336; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18296; Y10T74/18304
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US29483A
Cited
US411960A
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US426879A
Cited
US577463A
Cited
US1065929A
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US1781546A
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US1748543A
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US2019818A
Cited
US2347164A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-13 | 1957-01-12 | 1957-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-13 | 1961-01-12 | 1961-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-13 | 1965-01-12 | 1965-07-14 | $7700.00 | Window Closed / Lapsed |