US3476498A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bucket-wheel cutter for dredges
Assignee: Ellicott Machine Corp
•
Filing: 1966-12-14
•
Granted: 1969-11-04
•
Expires: 1986-12-14
Abstract
No abstract record available.
Inventors
- 👤 Edgar J Von Bolhar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:11
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/88; E02F3/90; E02F3/92; E02F3/9212; E02F3/9225; E02F3/9237
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US25875A
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US2732641A
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US813252A
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US2826839A
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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) | 1972-11-03 | 1973-05-05 | 1973-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-03 | 1977-05-05 | 1977-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-03 | 1981-05-05 | 1981-11-04 | $7700.00 | Window Closed / Lapsed |