US2849180A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Function generator having cathode ray means for following edge of birefringent pattern
Assignee: Consolidated Electrodynamics Corp
•
Filing: 1953-06-18
•
Granted: 1958-08-26
•
Expires: 1973-06-18
Abstract
No abstract record available.
Inventors
- 👤 Harry E Burke
- 👤 Leland P Robinson
- 👤 Robert L Sink
- 👤 Robert M Strassner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:27
CPC Classifications
G; G06; G06K; G06K11/00; G06K11/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2497042A
Cited
US2528020A
Cited
US2461667A
Cited
US2451465A
Cited
US2649542A
Cited
US2651771A
Cited
US2734137A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-25 | 1962-02-24 | 1962-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-25 | 1966-02-24 | 1966-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-25 | 1970-02-24 | 1970-08-26 | $7700.00 | Window Closed / Lapsed |