Patent US2603339A successfully refreshed from Google Patents.
US2603339A
Expired / Lapsed
US
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Article conveying and tbansferxung
Assignee: —
•
Filing: —
•
Granted: 1952-07-15
•
Expires: 1969-07-15
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:53
CPC Classifications
B; B65; B65G; B65G47/00; B65G47/52; B65G47/68; B65G47/681
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1246515A
Cited
US1256070A
Cited
US1281580A
Cited
US1457364A
Cited
US1872903A
Cited
US2026811A
Cited
US2108522A
Cited
US2362132A
Cited
US2371748A
Cited
US2535859A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-15 | 1956-01-14 | 1956-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-15 | 1960-01-14 | 1960-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-15 | 1964-01-14 | 1964-07-15 | $7700.00 | Window Closed / Lapsed |