US2467768A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control system
Assignee: Allis Chalmers Corp
•
Filing: 1944-01-27
•
Granted: 1949-04-19
•
Expires: 1964-01-27
Abstract
No abstract record available.
Inventors
- 👤 Terryl B Montgomery
- 👤 Harold E Reichert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:41
CPC Classifications
B; B23; B23Q; B23Q15/00; B23Q15/007; B23Q15/12; B24; B24B; B24B47/00; B24B47/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB363544A
Cited
US1996467A
Cited
US1989523A
Cited
US2134514A
Cited
US2129049A
Cited
US2340060A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-04-18 | 1952-10-18 | 1953-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-04-18 | 1956-10-18 | 1957-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-04-18 | 1960-10-18 | 1961-04-19 | $7700.00 | Window Closed / Lapsed |