US2429862A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for oiling sheet metal
Assignee: Jones and Laughlin Steel Corp
•
Filing: 1944-11-27
•
Granted: 1947-10-28
•
Expires: 1964-11-27
Abstract
No abstract record available.
Inventors
- 👤 Robert A Woofter
- 👤 Robert H Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:49
CPC Classifications
B; B05; B05B; B05B13/00; B05B13/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US350445A
Cited
US2159351A
Cited
US2319353A
Cited
US2155932A
Cited
US2302289A
Cited
US2364436A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-10-27 | 1951-04-28 | 1951-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-10-27 | 1955-04-28 | 1955-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-10-27 | 1959-04-28 | 1959-10-28 | $7700.00 | Window Closed / Lapsed |