US3019003A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Closures for fluid contact apparatus
Assignee: FRITZ W GLITSCH AND SONS Inc
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Filing: 1959-02-09
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Granted: 1962-01-30
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Expires: 1979-02-09
Abstract
No abstract record available.
Inventors
- 👤 Hans C Glitsch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:29
CPC Classifications
B; B01; B01D; B01D3/00; B01D3/14; B01D3/16; B01D3/163; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7847; Y10T137/7848; Y10T137/7904; Y10T137/7908; Y10T137/7921
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE60314C
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US548835A
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US1190654A
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US1857459A
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US2061830A
Cited
US2486899A
Cited
US2649277A
Cited
US2860659A
Cited
GB692610A
Cited
US2834379A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-29 | 1965-07-31 | 1966-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-29 | 1969-07-31 | 1970-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-29 | 1973-07-31 | 1974-01-30 | $7700.00 | Window Closed / Lapsed |