US2941668A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Separating apparatus
Assignee: Individual
•
Filing: 1958-09-15
•
Granted: 1960-06-21
•
Expires: 1978-09-15
Abstract
No abstract record available.
Inventors
- 👤 Lawrence L Maus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:16
CPC Classifications
B; B23; B23Q; B23Q11/00; B23Q11/10; B23Q11/1069; B01; B01D; B01D33/00; B01D33/06; B01D33/067; B01D33/073; B01D35/00; B01D35/16; B03; B03B; B03B5/00; B03B5/48; B03B5/56
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US633040A
Cited
US830349A
Cited
US918054A
Cited
US1111217A
Cited
US1334160A
Cited
GB467037A
Cited
US2309002A
Cited
US2420927A
Cited
US2471517A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-21 | 1963-12-21 | 1964-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-21 | 1967-12-21 | 1968-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-21 | 1971-12-21 | 1972-06-21 | $7700.00 | Window Closed / Lapsed |