US2542383A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable elevating conveyer
Assignee: Individual
•
Filing: 1949-12-20
•
Granted: 1951-02-20
•
Expires: 1969-12-20
Abstract
No abstract record available.
Inventors
- 👤 Earnel W White
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:02
CPC Classifications
B; B66; B66B; B66B17/00; B66B17/14; B66B17/26; E; E04; E04G; E04G21/00; E04G21/02; B65; B65G; B65G2812/00; B65G2812/06; B65G2812/0672; B65G2812/0681
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB176200A
Cited
US1324900A
Cited
US1250478A
Cited
US1449733A
Cited
US2400939A
Cited
US2431047A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-19 | 1954-08-21 | 1955-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-19 | 1958-08-21 | 1959-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-19 | 1962-08-21 | 1963-02-20 | $7700.00 | Window Closed / Lapsed |