US2824610A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mat segregating mechanism and methods
Assignee: Individual
•
Filing: 1952-08-23
•
Granted: 1958-02-25
•
Expires: 1972-08-23
Abstract
No abstract record available.
Inventors
- 👤 Dale L Schubert
- 👤 Harold E Erickson
- 👤 Norman E Nelson
- 👤 David A Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:18
CPC Classifications
D; D21; D21J; D21J1/00; Y; Y10; Y10T; Y10T83/00; Y10T83/04; Y10T83/0448; Y10T83/0453; Y10T83/202; Y10T83/2066; Y10T83/207; Y10T83/465; Y10T83/4757; Y10T83/4766; Y10T83/4789; Y10T83/647; Y10T83/6476
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2323105A
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US2538643A
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US2609874A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-24 | 1961-08-26 | 1962-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-24 | 1965-08-26 | 1966-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-24 | 1969-08-26 | 1970-02-25 | $7700.00 | Window Closed / Lapsed |