US2583608A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Distributor for dust and aggregate
Assignee: Individual
•
Filing: 1948-05-21
•
Granted: 1952-01-29
•
Expires: 1968-05-21
Abstract
No abstract record available.
Inventors
- 👤 Ralph K Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:53
CPC Classifications
A; A01; A01C; A01C15/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US435757A
Cited
US998769A
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US1668516A
Cited
US1623743A
Cited
US2221266A
Cited
US2369755A
Cited
US2293977A
Cited
US2350107A
Cited
US2350476A
Cited
US2500681A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-28 | 1955-07-30 | 1956-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-28 | 1959-07-30 | 1960-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-28 | 1963-07-30 | 1964-01-29 | $7700.00 | Window Closed / Lapsed |