US3561839A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High-speed hologram
Assignee: Raytheon Co
•
Filing: 1969-10-06
•
Granted: 1971-02-09
•
Expires: 1989-10-06
Abstract
Abstract A HOLOGRAPHIC SYSTEM INCLUDING A GAINT PULSE RUBY LASER OPERATED WITH TRANSVERSE MODE SELECTION AND LONGITUDINAL MODE SELECTION FOR PRODUCING PULSED SPATIALLY COHERENT AND TEMPORALLY COHERENT RADIATION, A PORTION OF WHICH ILLUMINATES A SUBJECT AND IS REFLECTED TO A PHOTOGRAPHIC FILM AS A SUBJECT BEAM, AND ANOTHER PORTION OF WHICH IS REFLECTED FROM A FLAT MIRROR AND IS DIRECTED TOWARDS THE PHOTOGRAPHIC FILM AS A REFERENCE BEAM.
Inventors
- 👤 Frederick J Mcclung
- 👤 Alexander D Jacobson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:34
CPC Classifications
G; G03; G03H; G03H1/00; G03H1/04; G03H2222/00; G03H2222/33
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-08 | 1974-08-10 | 1975-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-08 | 1978-08-10 | 1979-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-08 | 1982-08-10 | 1983-02-09 | $7700.00 | Window Closed / Lapsed |