US3227429A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mass transfer packing
Assignee: American Radiator and Standard Sanitary Corp
•
Filing: 1963-02-04
•
Granted: 1966-01-04
•
Expires: 1983-02-04
Abstract
No abstract record available.
Inventors
- 👤 Renzi Peter Nicholas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:51
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/32; F; F28; F28F; F28F25/00; F28F25/02; F28F25/08; F28F25/085; B01J2219/00; B01J2219/32; B01J2219/322; B01J2219/32296; B01J2219/324; B01J2219/32425; B01J2219/32458; B01J2219/32483; Y; Y10; Y10S; Y10S261/00; Y10S261/11; Y10S435/00; Y10S435/813
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1287402A
Cited
US2183657A
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US2306192A
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US2356653A
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US2695773A
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US2739118A
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US2825541A
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US2809148A
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US2893988A
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US2838135A
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US2793017A
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US3041181A
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US2917292A
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US2986379A
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US2951017A
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US3039749A
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US3044237A
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US3084918A
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US3112261A
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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) | 1969-01-03 | 1969-07-05 | 1970-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-03 | 1973-07-05 | 1974-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-03 | 1977-07-05 | 1978-01-04 | $7700.00 | Window Closed / Lapsed |