US2620511A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for cold milling soap and other materials
Assignee: Micro Processing Equipment Inc
•
Filing: 1950-07-15
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Granted: 1952-12-09
•
Expires: 1970-07-15
Abstract
No abstract record available.
Inventors
- 👤 Donald E Marshall
- 👤 John A Harrington
- 👤 Robert L Crane
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:00
CPC Classifications
C; C11; C11D; C11D13/00; C11D13/14; C11D13/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE309713C
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US206807A
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US405177A
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GB190410470A
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US1233177A
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US1262246A
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US1260320A
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US1677690A
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US2295596A
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US2332727A
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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) | 1955-12-09 | 1956-06-09 | 1956-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-09 | 1960-06-09 | 1960-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-09 | 1964-06-09 | 1964-12-09 | $7700.00 | Window Closed / Lapsed |