US2440665A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic set-back counter
Assignee: Devlieg Bullard Inc
•
Filing: 1942-06-17
•
Granted: 1948-04-27
•
Expires: 1962-06-17
Abstract
No abstract record available.
Inventors
- 👤 Max L Jeffrey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:54
CPC Classifications
G; G06; G06M; G06M1/00; G06M1/28; G06M1/34; G06M1/36; G06M1/363
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1307369A
Cited
US1566628A
Cited
US1858397A
Cited
US819287A
Cited
US2094777A
Cited
US1866523A
Cited
US2035891A
Cited
US2040031A
Cited
US2303479A
Cited
US2368874A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-04-27 | 1951-10-27 | 1952-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-04-27 | 1955-10-27 | 1956-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-04-27 | 1959-10-27 | 1960-04-27 | $7700.00 | Window Closed / Lapsed |