US2555765A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Troughing idler
Assignee: Individual
•
Filing: 1947-11-21
•
Granted: 1951-06-05
•
Expires: 1967-11-21
Abstract
No abstract record available.
Inventors
- 👤 Shank Harvey Tillman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:03
CPC Classifications
B; B65; B65G; B65G39/00; B65G39/02; B65G39/07; B65G39/071
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US857772A
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US857610A
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US1171148A
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US1189846A
Cited
US1483985A
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US1710634A
Cited
US1980777A
Cited
DE672218C
Cited
GB496987A
Cited
US2391178A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-06-04 | 1954-12-04 | 1955-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-04 | 1958-12-04 | 1959-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-04 | 1962-12-04 | 1963-06-05 | $7700.00 | Window Closed / Lapsed |