US2683434A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic pilot
Assignee: Individual
•
Filing: 1951-05-24
•
Granted: 1954-07-13
•
Expires: 1971-05-24
Abstract
No abstract record available.
Inventors
- 👤 Charles M Weeks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:50
CPC Classifications
G; G05; G05D; G05D1/00; G05D1/02; G05D1/0206
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1119324A
Cited
US1818103A
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US1873579A
Cited
FR793301A
Cited
US2112504A
Cited
US2102513A
Cited
US2114479A
Cited
GB530437A
Cited
US2517612A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-07-12 | 1958-01-11 | 1958-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-12 | 1962-01-11 | 1962-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-12 | 1966-01-11 | 1966-07-13 | $7700.00 | Window Closed / Lapsed |