US2447393A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shuffle conveyer
Assignee: Loftus Engineering Corp
•
Filing: 1945-04-26
•
Granted: 1948-08-17
•
Expires: 1965-04-26
Abstract
No abstract record available.
Inventors
- 👤 Sr Donald C Campion
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:50
CPC Classifications
B; B65; B65G; B65G27/00; B65G2812/00; B65G2812/03; B65G2812/0304; B65G2812/0308; B65G2812/0312
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
NL5672C
Cited
DE355795C
Cited
US724054A
Cited
US997235A
Cited
US1160427A
Cited
US1262922A
Cited
US1582127A
Cited
US1843282A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-08-17 | 1952-02-16 | 1952-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-08-17 | 1956-02-16 | 1956-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-08-17 | 1960-02-16 | 1960-08-17 | $7700.00 | Window Closed / Lapsed |