Patent US1736422A successfully refreshed from Google Patents.
Patent US3014315A successfully refreshed from Google Patents.
US3014315A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gravel washer
Assignee: —
•
Filing: —
•
Granted: 1961-12-26
•
Expires: 1978-12-26
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:42
CPC Classifications
B; B03; B03B; B03B5/00; B03B5/48; B03B5/56; B08; B08B; B08B3/00; B08B3/04; B08B3/041; B08B3/042; B24; B24B; B24B31/00; B24B31/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US129678A
Cited
DE334049C
Cited
US1020220A
Cited
US1183805A
Cited
US2001973A
Cited
US1985801A
Cited
FR894575A
Cited
US2298016A
Cited
US2502161A
Cited
US2836400A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-25 | 1965-06-26 | 1965-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-25 | 1969-06-26 | 1969-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-25 | 1973-06-26 | 1973-12-26 | $7700.00 | Window Closed / Lapsed |