US2651318A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flushing unit
Assignee: Individual
•
Filing: 1947-08-11
•
Granted: 1953-09-08
•
Expires: 1967-08-11
Abstract
No abstract record available.
Inventors
- 👤 Herbert B Cates
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:25
CPC Classifications
D; D06; D06F; D06F43/00; D06F43/02; Y; Y10; Y10T; Y10T137/00; Y10T137/2713; Y10T137/2774; Y10T137/7287; Y10T137/729; Y10T137/8593; Y10T137/85978
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US425859A
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US431542A
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US449390A
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US1112111A
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US1049895A
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US1127387A
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US1914541A
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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) | 1956-09-07 | 1957-03-09 | 1957-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-07 | 1961-03-09 | 1961-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-07 | 1965-03-09 | 1965-09-08 | $7700.00 | Window Closed / Lapsed |