US2474065A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Distribution apparatus
Assignee: Individual
•
Filing: 1945-04-02
•
Granted: 1949-06-21
•
Expires: 1965-04-02
Abstract
No abstract record available.
Inventors
- 👤 Grover D Porter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:16
CPC Classifications
A; A01; A01C; A01C17/00; E; E01; E01C; E01C19/00; E01C19/12; E01C19/20; E01C19/201; E01C19/202; E01C19/203
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US290385A
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US1909238A
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US2059548A
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US2044652A
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US2097102A
Cited
US2180253A
Cited
US2340657A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-20 | 1952-12-20 | 1953-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-20 | 1956-12-20 | 1957-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-20 | 1960-12-20 | 1961-06-21 | $7700.00 | Window Closed / Lapsed |