US3064370A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Canal dredge
Assignee: PPG Industries Inc
•
Filing: 1960-04-29
•
Granted: 1962-11-20
•
Expires: 1980-04-29
Abstract
No abstract record available.
Inventors
- 👤 Fleur Sidney O La
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:36
CPC Classifications
E; E02; E02F; E02F9/00; E02F9/06; E02F5/00; E02F5/006; E02F5/28; E02F5/285
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1108001A
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US1054851A
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US1233582A
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US1493752A
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US1683276A
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US1882079A
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US2254464A
Cited
US2850814A
Cited
US2933271A
Cited
US3002484A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-19 | 1966-05-21 | 1966-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-19 | 1970-05-21 | 1970-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-19 | 1974-05-21 | 1974-11-20 | $7700.00 | Window Closed / Lapsed |