US3487608A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for adsorption of molecules from fluids
Assignee: RODERICH W GRAFF
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Filing: 1967-03-09
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Granted: 1970-01-06
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Expires: 1987-03-09
Abstract
No abstract record available.
Inventors
- 👤 Roderich W Graff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:42
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/26; B01D53/261; B01D53/02; B01D53/04; B01D53/0407; B01D53/0423; B01D2259/00; B01D2259/40; B01D2259/40003; B01D2259/40005; B01D2259/414; B01D2259/4141; B01D2259/4145; B01D2259/4146
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1602500A
Cited
US2507607A
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US2639000A
Cited
US2739670A
Cited
US3252273A
Cited
US3306006A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-05 | 1973-07-07 | 1974-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-05 | 1977-07-07 | 1978-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-05 | 1981-07-07 | 1982-01-06 | $7700.00 | Window Closed / Lapsed |