US3384754A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Position measuring device employing a rotating reflecting polyhedron to superimpose the reflection of a first raster onto a second raster,and photocells for detecting the resulatant movement
Assignee: US Philips Corp
•
Filing: 1964-12-29
•
Granted: 1968-05-21
•
Expires: 1984-12-29
Abstract
No abstract record available.
Inventors
- 👤 Scato Albarda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:58
CPC Classifications
B; B23; B23Q; B23Q17/00; B23Q17/24; F; F23; F23D; F23D14/00; F23D14/34; F23D14/46; F23D14/66; F23D99/00; F23D99/002; F23D99/004; G; G01; G01B; G01B11/00; G01D; G01D5/00; G01D5/26; G01D5/32; G01D5/34; G01D5/342; G01D5/36; G01D5/38; F23D2206/00; F23D2206/0094; Y; Y02; Y02E; Y02E20/00; Y02E20/34
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1971-05-21 | 1971-11-20 | 1972-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-21 | 1975-11-20 | 1976-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-21 | 1979-11-20 | 1980-05-21 | $7700.00 | Window Closed / Lapsed |