Patent EP0791336A1 successfully refreshed from Google Patents.
US3494040A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sewer's marking tool
Assignee: JEWEL D GOODWIN
•
Filing: 1968-07-19
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Granted: 1970-02-10
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Expires: 1988-07-19
Abstract
No abstract record available.
Inventors
- 👤 Jewel D Goodwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:18
CPC Classifications
A; A41; A41H; A41H11/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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FR507734A
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US1393170A
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US1751001A
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US1982790A
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US2449810A
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CH288940A
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US2839993A
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US3403623A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-09 | 1973-08-11 | 1974-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-09 | 1977-08-11 | 1978-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-09 | 1981-08-11 | 1982-02-10 | $7700.00 | Window Closed / Lapsed |