US3038057A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Evaporation device
Assignee: Individual
•
Filing: 1959-06-11
•
Granted: 1962-06-05
•
Expires: 1979-06-11
Abstract
No abstract record available.
Inventors
- 👤 Hendrik F Bok
- 👤 Bok Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 00:24
CPC Classifications
B; B05; B05B; B05B7/00; B05B7/16; B05B7/1686
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US457362A
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US482074A
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US516167A
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US572449A
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US1046063A
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US1107441A
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US1650632A
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US2076547A
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US2198404A
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US2467393A
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GB753822A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-04 | 1965-12-04 | 1966-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-04 | 1969-12-04 | 1970-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-04 | 1973-12-04 | 1974-06-05 | $7700.00 | Window Closed / Lapsed |