US2779017A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus and method for indicating the position and motion of phenomena in space
Assignee: Polaroid Corp
•
Filing: 1951-09-01
•
Granted: 1957-01-22
•
Expires: 1971-09-01
Abstract
No abstract record available.
Inventors
- 👤 Edwin H Land
- 👤 William A Shurcliff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:52
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/02; G01S13/50; G01S13/52; G01S13/538
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2435718A
Cited
US2581358A
Cited
US2530828A
Cited
US2543181A
Cited
US2586772A
Cited
US2520641A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-22 | 1960-07-23 | 1961-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-22 | 1964-07-23 | 1965-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-22 | 1968-07-23 | 1969-01-22 | $7700.00 | Window Closed / Lapsed |