Patent US3466019A successfully refreshed from Google Patents.
US3466019A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas-liquid contact packing sheets
Assignee: Individual
•
Filing: 1967-08-04
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Granted: 1969-09-09
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Expires: 1987-08-04
Abstract
No abstract record available.
Inventors
- 👤 Ronald Priestley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:46
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/32; B01J2219/00; B01J2219/32; B01J2219/322; B01J2219/32203; B01J2219/3221; B01J2219/32213; B01J2219/32224; B01J2219/32227; B01J2219/324; B01J2219/32483
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB190413222A
Cited
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US2231088A
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US2198305A
Cited
DE846092C
Cited
US2917292A
Cited
US3150211A
Cited
US3260511A
Cited
US3281307A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-08 | 1973-03-10 | 1973-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-08 | 1977-03-10 | 1977-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-08 | 1981-03-10 | 1981-09-09 | $7700.00 | Window Closed / Lapsed |