US3458259A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Interferometric system
Assignee: HP Inc
•
Filing: 1966-11-07
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Granted: 1969-07-29
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Expires: 1986-11-07
Abstract
No abstract record available.
Inventors
- 👤 Alan S Bagley
- 👤 Leonard S Cutler
- 👤 Joseph F Rando
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:01
CPC Classifications
G; G01; G01B; G01B9/00; G01B9/02; G01B9/02001; G01B9/02002; G01B9/02003; G01J; G01J9/00; G01J9/04; G01S; G01S17/00; G01S17/02; G01S17/06; G01S17/08; G01S17/32; G01S7/00; G01S7/48; G01S7/491; G01S7/4912; G01S7/4917; G01B2290/00; G01B2290/15; G01B2290/70
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) | 1972-07-28 | 1973-01-27 | 1973-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-28 | 1977-01-27 | 1977-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-28 | 1981-01-27 | 1981-07-29 | $7700.00 | Window Closed / Lapsed |