Patent US3490176A successfully refreshed from Google Patents.
US3490176A
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Assignee: Danois & Fils Ets J
•
Filing: 1967-01-03
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Granted: 1970-01-20
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Expires: 1987-01-03
Abstract
No abstract record available.
Inventors
- 👤 Andre Danois
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:05
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/32; E06B3/34; E06B3/42; E06B3/46; E06B3/4681
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA639776A
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US2279345A
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US2626024A
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US2643422A
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US2721636A
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US2793406A
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US2910740A
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US3106269A
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GB976030A
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US3295259A
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US3403476A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-19 | 1973-07-21 | 1974-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-19 | 1977-07-21 | 1978-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-19 | 1981-07-21 | 1982-01-20 | $7700.00 | Window Closed / Lapsed |