US2995309A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aerator
Assignee: Individual
•
Filing: 1958-06-20
•
Granted: 1961-08-08
•
Expires: 1978-06-20
Abstract
No abstract record available.
Inventors
- 👤 Alfred M Moen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:03
CPC Classifications
B; B67; B67D; B67D1/00; B67D1/08; B67D1/12; B67D1/14; B67D1/1405; B67D1/1411; B67D1/1416
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2395621A
Cited
US2515600A
Cited
US2511420A
Cited
US2532565A
Cited
US2793016A
Cited
US2717614A
Cited
CH315823A
Cited
US2887275A
Cited
US2849217A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-07 | 1965-02-06 | 1965-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-07 | 1969-02-06 | 1969-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-07 | 1973-02-06 | 1973-08-08 | $7700.00 | Window Closed / Lapsed |