US2856832A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aerator
Assignee: Individual
•
Filing: 1955-11-14
•
Granted: 1958-10-21
•
Expires: 1975-11-14
Abstract
No abstract record available.
Inventors
- 👤 John E Galazin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:00
CPC Classifications
A; A01; A01B; A01B45/00; A01B45/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US32981A
Cited
US1145147A
Cited
US1174921A
Cited
US1300595A
Cited
US2042597A
Cited
US2325997A
Cited
US2700926A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-20 | 1962-04-21 | 1962-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-20 | 1966-04-21 | 1966-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-20 | 1970-04-21 | 1970-10-21 | $7700.00 | Window Closed / Lapsed |