US2842347A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aerating device
Assignee: Individual
•
Filing: 1953-12-21
•
Granted: 1958-07-08
•
Expires: 1973-12-21
Abstract
No abstract record available.
Inventors
- 👤 Jr Glenn Q Ripley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:09
CPC Classifications
E; E03; E03C; E03C1/00; E03C1/02; E03C1/08; E03C1/084; Y; Y10; Y10S; Y10S261/00; Y10S261/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1912113A
Cited
US2541854A
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US2508827A
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US2633343A
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US2664278A
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US2565554A
Cited
US2593454A
Cited
US2643104A
Cited
US2657024A
Cited
US2707624A
Cited
US2721089A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-07 | 1962-01-06 | 1962-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-07 | 1966-01-06 | 1966-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-07 | 1970-01-06 | 1970-07-08 | $7700.00 | Window Closed / Lapsed |