US2738613A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aerating device
Assignee: Individual
•
Filing: 1952-07-09
•
Granted: 1956-03-20
•
Expires: 1972-07-09
Abstract
No abstract record available.
Inventors
- 👤 James M Styer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:54
CPC Classifications
A; A01; A01K; A01K63/00; A01K63/04; A01K63/042
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1991149A
Cited
US1995215A
Cited
US1932625A
Cited
US2008363A
Cited
US2230201A
Cited
US2460527A
Cited
US2483561A
Cited
US2510427A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-03-20 | 1959-09-19 | 1960-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-20 | 1963-09-19 | 1964-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-20 | 1967-09-19 | 1968-03-20 | $7700.00 | Window Closed / Lapsed |