US2860600A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diverting fish air bubble screen
Assignee: Pacific Gas and Electric Co
•
Filing: 1955-02-07
•
Granted: 1958-11-18
•
Expires: 1975-02-07
Abstract
No abstract record available.
Inventors
- 👤 William O Cheney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:02
CPC Classifications
E; E02; E02B; E02B1/00; E02B1/003; B; B01; B01F; B01F23/00; B01F23/20; B01F23/23; B01F23/231; E02B1/006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2709984A
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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) | 1961-11-17 | 1962-05-19 | 1962-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-17 | 1966-05-19 | 1966-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-17 | 1970-05-19 | 1970-11-18 | $7700.00 | Window Closed / Lapsed |