US2924883A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Deflection measuring device
Assignee: Lockheed Martin Corp
•
Filing: 1956-09-11
•
Granted: 1960-02-16
•
Expires: 1976-09-11
Abstract
No abstract record available.
Inventors
- 👤 Peter L Petersen
- 👤 Robert M Merrill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:06
CPC Classifications
G; G01; G01L; G01L1/00; G01L1/20; G01L1/22; G01L1/2206
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US399676A
Cited
US2468906A
Cited
US2458354A
Cited
US2487681A
Cited
US2546155A
Cited
US2681566A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-15 | 1963-08-17 | 1964-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-15 | 1967-08-17 | 1968-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-15 | 1971-08-17 | 1972-02-16 | $7700.00 | Window Closed / Lapsed |