US3000036A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cleaning tool
Assignee: Tidewater Oil Co
•
Filing: 1959-08-12
•
Granted: 1961-09-19
•
Expires: 1979-08-12
Abstract
No abstract record available.
Inventors
- 👤 Benedetti Harold B De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:14
CPC Classifications
B; B04; B04C; B04C5/00; B04C5/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US691718A
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US912493A
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US1139911A
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US1658311A
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US1829174A
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US1779177A
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US1923425A
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US2319682A
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US2326525A
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US2655455A
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FR1005629A
Cited
US2607622A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-18 | 1965-03-20 | 1965-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-18 | 1969-03-20 | 1969-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-18 | 1973-03-20 | 1973-09-19 | $7700.00 | Window Closed / Lapsed |