US2960908A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Parallax interval sensing device
Assignee: Recon Optical Inc
•
Filing: 1956-01-26
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Granted: 1960-11-22
•
Expires: 1976-01-26
Abstract
No abstract record available.
Inventors
- 👤 Samuel P Willits
- 👤 William L Mohan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:27
CPC Classifications
G; G01; G01S; G01S11/00; G01S11/12; G01C; G01C3/00; G01C3/02; G01C3/06; G01C3/08; G01D; G01D5/00; G01D5/26
Claims Analysis
Total Claims: 0
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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) | 1963-11-22 | 1964-05-23 | 1964-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-22 | 1968-05-23 | 1968-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-22 | 1972-05-23 | 1972-11-22 | $7700.00 | Window Closed / Lapsed |