US2687136A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Can washing and liquid feeding device
Assignee: Cowles Chemical Co
•
Filing: 1951-03-22
•
Granted: 1954-08-24
•
Expires: 1971-03-22
Abstract
No abstract record available.
Inventors
- 👤 Clark M Moore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:41
CPC Classifications
B; B08; B08B; B08B9/00; B08B9/08; B08B9/0839; B08B9/0843
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1794769A
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US1042106A
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US1537679A
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US1972711A
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US2101468A
Cited
US2127017A
Cited
US2197602A
Cited
US2395968A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-23 | 1958-02-22 | 1958-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-23 | 1962-02-22 | 1962-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-23 | 1966-02-22 | 1966-08-24 | $7700.00 | Window Closed / Lapsed |