US3094971A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vertical display
Assignee: Individual
•
Filing: 1960-04-29
•
Granted: 1963-06-25
•
Expires: 1980-04-29
Abstract
No abstract record available.
Inventors
- 👤 Louis S Guarino
- 👤 Pliny G Holt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:30
CPC Classifications
B; B64; B64D; B64D45/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
75 words
IN A VERTICAL DISPLAY DEVICE, BALL MEANS, A FLAG REPRESENTATIVE OF AN AIRCRAFT DISPOSED IN FRONT OF SAID BALL MEANS, COLLIMATING LENS MEANS DISPOSED IN FRONT OF SAID FLAG AND FOCUSED TO MAKE SAID BALL MEANS APPEAR TO BE AT INFINITY, MEANS FORMING VERTICAL AND HORIZONTAL REFERENCE LINES FIXED RELATIVE TO SAID LENS MEANS FOR CENTERING SAID FLAG, MEANS FOR CONTROLLING THE ROLL, PITCH AND YAW OF SAID FLAG, AND SAID BALL MEANS INCLUDING MEANS
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-24 | 1966-12-24 | 1967-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-24 | 1970-12-24 | 1971-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-24 | 1974-12-24 | 1975-06-25 | $7700.00 | Window Closed / Lapsed |