Patent US2802427A successfully refreshed from Google Patents.
US2802427A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Level and inclined conveyor
Assignee: SAMUEL OLSON Manufacturing Co Inc
•
Filing: 1953-09-24
•
Granted: 1957-08-13
•
Expires: 1973-09-24
Abstract
No abstract record available.
Inventors
- 👤 Costa James Starr De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:16
CPC Classifications
B; B65; B65G; B65G17/00; B65G17/12; B65G17/123; B65G17/16; B65G17/18; B65G47/00; B65G47/52; B65G47/56; B65G47/57; B65G2201/00; B65G2201/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US519561A
Cited
US722502A
Cited
US813416A
Cited
US1148901A
Cited
US2128492A
Cited
US2163693A
Cited
US2147979A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-12 | 1961-02-11 | 1961-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-12 | 1965-02-11 | 1965-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-12 | 1969-02-11 | 1969-08-13 | $7700.00 | Window Closed / Lapsed |