US2742714A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Driver training equipment
Assignee: Individual
•
Filing: 1952-02-28
•
Granted: 1956-04-24
•
Expires: 1972-02-28
Abstract
No abstract record available.
Inventors
- 👤 Earl L Allgaier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:54
CPC Classifications
G; G09; G09B; G09B9/00; G09B9/02; G09B9/04; G09B9/048
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
NL41116C
Cited
GB250610A
Cited
DE489257C
Cited
GB322268A
Cited
GB446214A
Cited
GB452735A
Cited
US2273091A
Cited
US2260432A
Cited
US2254967A
Cited
AT165789B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-24 | 1959-10-24 | 1960-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-24 | 1963-10-24 | 1964-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-24 | 1967-10-24 | 1968-04-24 | $7700.00 | Window Closed / Lapsed |