US3409993A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Precision tilt meter
Assignee: Raytheon Co
•
Filing: 1966-01-10
•
Granted: 1968-11-12
•
Expires: 1986-01-10
Abstract
No abstract record available.
Inventors
- 👤 Hansen Siegfried
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:29
CPC Classifications
G; G01; G01C; G01C9/00; G01C9/18
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2713727A
Cited
US2804118A
Cited
US3036844A
Cited
US2926530A
Cited
US3020506A
Cited
US3051007A
Cited
US3289475A
Cited
US3269685A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-12 | 1972-05-13 | 1972-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-12 | 1976-05-13 | 1976-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-12 | 1980-05-13 | 1980-11-12 | $7700.00 | Window Closed / Lapsed |