US3013782A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid contact apparatus
Assignee: FRITZ W GLITSCH AND SONS Inc
•
Filing: 1958-09-08
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Granted: 1961-12-19
•
Expires: 1978-09-08
Abstract
No abstract record available.
Inventors
- 👤 Hans C Glitsch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:41
CPC Classifications
B; B01; B01D; B01D3/00; B01D3/14; B01D3/16; B01D3/163; B01D3/18; B01D3/20; B01D3/205; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7847; Y10T137/7848
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE199402C
Cited
US1080166A
Cited
US1737710A
Cited
US2486899A
Cited
GB655127A
Cited
US2658737A
Cited
US2772081A
Cited
US2718900A
Cited
US2718901A
Cited
US2772080A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-18 | 1965-06-19 | 1965-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-18 | 1969-06-19 | 1969-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-18 | 1973-06-19 | 1973-12-19 | $7700.00 | Window Closed / Lapsed |