US3394486A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fish tanks
Assignee: PREENE WERFT WOLGAST VEB
•
Filing: 1966-03-22
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Granted: 1968-07-30
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Expires: 1986-03-22
Abstract
No abstract record available.
Inventors
- 👤 Morawetz Hubert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:40
CPC Classifications
B; B63; B63B; B63B35/00; B63B35/14; B63B35/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-30 | 1972-01-29 | 1972-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-30 | 1976-01-29 | 1976-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-30 | 1980-01-29 | 1980-07-30 | $7700.00 | Window Closed / Lapsed |