US2867225A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Degreaser
Assignee: Metalwash Machinery Co
•
Filing: 1953-10-26
•
Granted: 1959-01-06
•
Expires: 1973-10-26
Abstract
No abstract record available.
Inventors
- 👤 Erich R Zademach
- 👤 Charles J Auger
- 👤 Irwin L Lans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:00
CPC Classifications
C; C23; C23G; C23G5/00; C23G5/02; C23G5/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1938841A
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GB399717A
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US1973426A
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US2108489A
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GB444404A
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US2116862A
Cited
US2153577A
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US2162656A
Cited
US2253579A
Cited
US2305166A
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US2369050A
Cited
US2349000A
Cited
US2442272A
Cited
US2703093A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-05 | 1962-07-07 | 1963-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-05 | 1966-07-07 | 1967-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-05 | 1970-07-07 | 1971-01-06 | $7700.00 | Window Closed / Lapsed |