Patent US4170063A successfully refreshed from Google Patents.
US2438731A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stock oiler
Assignee: LAKE Manufacturing Co Inc
•
Filing: 1946-01-02
•
Granted: 1948-03-30
•
Expires: 1966-01-02
Abstract
No abstract record available.
Inventors
- 👤 Lorenz A Wedeking
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:21
CPC Classifications
A; A01; A01K; A01K13/00; A01K13/004; A01K13/0034
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1301904A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-03-30 | 1951-09-29 | 1952-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-03-30 | 1955-09-29 | 1956-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-03-30 | 1959-09-29 | 1960-03-30 | $7700.00 | Window Closed / Lapsed |