US2602611A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic pilot for aircraft
Assignee: Unisys Corp
•
Filing: 1948-01-12
•
Granted: 1952-07-08
•
Expires: 1968-01-12
Abstract
No abstract record available.
Inventors
- 👤 Glenny Arthur Philip
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:50
CPC Classifications
G; G01; G01C; G01C19/00; G01C19/02; G01C19/44; B; B43; B43L; B43L13/00; B43L13/02; B43L13/04; B43L13/048; G05; G05D; G05D1/00; G05D1/08; G05D1/0808
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1869840A
Cited
US1958258A
Cited
US2197898A
Cited
US2190390A
Cited
US2419979A
Cited
US2498064A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-08 | 1956-01-07 | 1956-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-08 | 1960-01-07 | 1960-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-08 | 1964-01-07 | 1964-07-08 | $7700.00 | Window Closed / Lapsed |