Patent US3490416A successfully refreshed from Google Patents.
US3490416A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aquarium
Assignee: Tetra Holding US Inc
•
Filing: 1967-01-18
•
Granted: 1970-01-20
•
Expires: 1987-01-18
Abstract
No abstract record available.
Inventors
- 👤 William E Kelley
- 👤 Robert W Ott Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:49
CPC Classifications
A; A01; A01K; A01K63/00; A01K63/04; A01K63/045
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US950999A
Cited
US2748075A
Cited
US2935199A
Cited
US3119774A
Cited
US3101564A
Cited
US3294239A
Cited
DE1204013B
Cited
US3387587A
Cited
US3326185A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-19 | 1973-07-21 | 1974-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-19 | 1977-07-21 | 1978-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-19 | 1981-07-21 | 1982-01-20 | $7700.00 | Window Closed / Lapsed |