US3039749A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Packing for gas-liquid contacting equipment
Assignee: Fluor Corp
•
Filing: 1957-11-13
•
Granted: 1962-06-19
•
Expires: 1977-11-13
Abstract
No abstract record available.
Inventors
- 👤 Arthur L Kohl
- 👤 Alfred L Fuller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:58
CPC Classifications
F; F28; F28F; F28F25/00; F28F25/02; F28F25/08; F28F25/085; B; B01; B01J; B01J19/00; B01J19/32; B01J2219/00; B01J2219/32; B01J2219/322; B01J2219/32286
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2098667A
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GB496051A
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GB550406A
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US2330901A
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GB582630A
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GB644976A
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US2608398A
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US2695773A
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US2651515A
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US2793017A
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US2917292A
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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) | 1965-06-18 | 1965-12-18 | 1966-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-18 | 1969-12-18 | 1970-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-18 | 1973-12-18 | 1974-06-19 | $7700.00 | Window Closed / Lapsed |