US3094575A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Distillation apparatus
Assignee: Scientific Design LLC
•
Filing: 1961-03-10
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Granted: 1963-06-18
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Expires: 1981-03-10
Abstract
No abstract record available.
Inventors
- 👤 Peterson Oscar Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 02:18
CPC Classifications
B; B01; B01D; B01D3/00; B01D3/14; B01D3/32; F; F28; F28F; F28F2230/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE641814C
Cited
US2241114A
Cited
US2363526A
Cited
US2492409A
Cited
US2545651A
Cited
US2711307A
Cited
US2967699A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-17 | 1966-12-17 | 1967-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-17 | 1970-12-17 | 1971-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-17 | 1974-12-17 | 1975-06-18 | $7700.00 | Window Closed / Lapsed |