US3311746A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electron beam device for measuring the displacement of one body relative to another
Assignee: Melpar Inc
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Filing: 1964-06-03
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Granted: 1967-03-28
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Expires: 1984-06-03
Abstract
No abstract record available.
Inventors
- 👤 Loren R Linstrom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:20
CPC Classifications
H; H01; H01J; H01J31/00; G; G01; G01D; G01D5/00; G01D5/48
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
A SYSTEM FOR MEASURING DISPLACEMENT OF ONE BODY RELATIVE TO ANOTHER COMPRISING MEANS FOR FORMING A COLLIMATED ELECTRON BEAM, A PAIR OF RELATIVELY MOVEABLE CRYSTALS, SAID CRYSTALS HAVING LATTICE SEPARATIONS ON THE SAME ORDER OF MAGNITUDE AS THE WAVELENGTH OF ELECTRONS IN SAID BEAM, ONE OF SAID CRYSTALS INTERCEPTING SAID COLLIMATED
Claim 2
Independent Claim
51 words
A SYSTEM FOR MEASURING DISPLACEMENT OF ONE BODY RELATIVE TO ANOTHER COMPRISING MEANS FOR FORMING A COLLIMATED ELECTRON BEAM, A PAIR OF RELATIVELY MOVEABLE CRYSTALS, SAID CRYSTALS HAVING LATTICE SEPARATIONS ON THE SAME ORDER OF MAGNITUDE AS THE WAVELENGTH OF ELECTRONS IN SAID BEAM, ONE OF SAID CRYSTALS INTERCEPTING SAID COLLIMATED
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) | 1970-03-27 | 1970-09-26 | 1971-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-27 | 1974-09-26 | 1975-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-27 | 1978-09-26 | 1979-03-28 | $7700.00 | Window Closed / Lapsed |