US2458077A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conveyer
Assignee: Individual
•
Filing: 1945-03-05
•
Granted: 1949-01-04
•
Expires: 1965-03-05
Abstract
No abstract record available.
Inventors
- 👤 Richard S Jacobsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:23
CPC Classifications
B; B65; B65G; B65G27/00; B65G2812/00; B65G2812/03; B65G2812/0304; B65G2812/0308; B65G2812/0312
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB190228474A
Cited
US988644A
Cited
US1146947A
Cited
US1234495A
Cited
US1386505A
Cited
US1922198A
Cited
DE572184C
Cited
US2123189A
Cited
US2134452A
Cited
US2314786A
Cited
US2355452A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-01-04 | 1952-07-05 | 1953-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-01-04 | 1956-07-05 | 1957-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-01-04 | 1960-07-05 | 1961-01-04 | $7700.00 | Window Closed / Lapsed |