US2779308A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe line milking system and valve therefor
Assignee: PERFECTION Manufacturing CORP
•
Filing: 1953-05-08
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Granted: 1957-01-29
•
Expires: 1973-05-08
Abstract
No abstract record available.
Inventors
- 👤 Albert F Gallistel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:37
CPC Classifications
A; A01; A01J; A01J5/00; A01J5/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US948036A
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US1393387A
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US1854307A
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US1846805A
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US2009399A
Cited
US2030513A
Cited
US2558628A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-29 | 1960-07-30 | 1961-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-29 | 1964-07-30 | 1965-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-29 | 1968-07-30 | 1969-01-29 | $7700.00 | Window Closed / Lapsed |