US3056360A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conveyor system and control
Assignee: Richards Wilcox Manufacturing Co
•
Filing: 1959-08-17
•
Granted: 1962-10-02
•
Expires: 1979-08-17
Abstract
No abstract record available.
Inventors
- 👤 Albert J Burmeister
- 👤 Jr Willard D Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:28
CPC Classifications
B; B65; B65G; B65G19/00; B65G19/02; B65G19/025; B61; B61B; B61B10/00; B61B10/02; B61B10/025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US791091A
Cited
US1980206A
Cited
US2714355A
Cited
US2688931A
Cited
US2684039A
Cited
US2918881A
Cited
US2688932A
Cited
US2868138A
Cited
US2875704A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-01 | 1966-04-02 | 1966-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-01 | 1970-04-02 | 1970-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-01 | 1974-04-02 | 1974-10-02 | $7700.00 | Window Closed / Lapsed |