US2865618A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water aerator
Assignee: Individual
•
Filing: 1956-01-30
•
Granted: 1958-12-23
•
Expires: 1976-01-30
Abstract
No abstract record available.
Inventors
- 👤 Arthur S Abell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:11
CPC Classifications
A; A01; A01K; A01K63/00; A01K63/04; A01K63/042
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2189779A
Cited
US2194037A
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US2352767A
Cited
US2393976A
Cited
US2364686A
Cited
US2533936A
Cited
US2641455A
Cited
US2801083A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-22 | 1962-06-23 | 1962-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-22 | 1966-06-23 | 1966-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-22 | 1970-06-23 | 1970-12-23 | $7700.00 | Window Closed / Lapsed |