US2541301A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roller lubricator for the surface of conveyer belts
Assignee: KEENLINE EQUIPMENT Corp
•
Filing: 1948-07-22
•
Granted: 1951-02-13
•
Expires: 1968-07-22
Abstract
No abstract record available.
Inventors
- 👤 Donald L Sissler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:43
CPC Classifications
F; F16; F16N; F16N7/00; F16N7/12; Y; Y10; Y10S; Y10S118/00; Y10S118/15
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1183672A
Cited
US1281003A
Cited
US1711245A
Cited
US1757539A
Cited
US1817683A
Cited
US2428965A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-12 | 1954-08-14 | 1955-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-12 | 1958-08-14 | 1959-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-12 | 1962-08-14 | 1963-02-13 | $7700.00 | Window Closed / Lapsed |