Patent US1665303A successfully refreshed from Google Patents.
Patent US3241934A successfully refreshed from Google Patents.
US3241934A
Expired / Lapsed
US
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Method for making electron image transfer device
Assignee: American Optical Corp
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Filing: 1961-03-20
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Granted: 1966-03-22
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Expires: 1981-03-20
Abstract
No abstract record available.
Inventors
- 👤 George A Granitsas
- 👤 George P Yankowskas
- 👤 Richard F Woodcock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:11
CPC Classifications
C; C03; C03B; C03B37/00; C03B37/01; C03B37/02; C03B37/025; C03B37/026; C03B37/10; C03B37/14; C03B37/15; H; H01; H01J; H01J31/00; H01J31/02; H01J31/06; H01J31/065; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4981; Y10T29/49812
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
165 words
METHOD FOR MAKING AN ELECTRON IMAGE TRANSFER DEVICE COMPRISING THE STEPS OF PROVIDING A METALLIC, CONDUCTIVE FILAMENT HAVING A GLASS COATING, CUTTING THE COATED FILAMENT INTO LENGTHS, PROVIDING A GLASS TUBE OF RELATIVELY LARGER DIAMETER, ASSEMBLING SAID LENGTHS OF COATED FILAMENT IN SIDE-BY-SIDE RELATION WITHIN THE TUBE, POTTING THESE LENTHS OF COATED FILAMENT WITHIN THE TUBE WITH A LOW MELTING METALLIC ALLOY, CUTTING THE TUBE AND COATED FILAMENT LENGTHS THEREIN TRANSVERSELY OF THE AXES OF THE LENGTHS FOR PROVIDING SELECTED EQUAL LENGTHS OF SAID COATED FILAMENT MELTING SAID ALLOY FOR SEPARATING SAID SELECTED LENGTH OF COATED FILAMENT, ETCHING THE ENDS OF SAID SELECTED LENGTHS TO REMOVE AT LEAST THE PORTIONS OF THE FILAMENT EMBODIED THEREIN WHICH EXTENDED OUTSIDE THE PERIPHERY OF THE COATING IN SAID SELECTED LENGTHS, ASSEMBLING SAID SELECTED LENGTHS IN COMPACT SIDE-BY-SIDE PARALLEL RELATION, HEATING SAID SELECTED LENGTHS TO THE FUSING TEMPERATURE OF SAID COATING MATERIAL, AND COMPRESSING SAID SELECTED LENGTHS FOR FUSING SAID SELECTED LENGTHS TOGETHER IN OUTRIGHT RELATION TO EACH OTHER.
Claim 2
Dependent Claim
165 words
METHOD FOR MAKING AN ELECTRON IMAGE TRANSFER DEVICE COMPRISING THE STEPS OF PROVIDING A METALLIC, CONDUCTIVE FILAMENT HAVING A GLASS COATING, CUTTING THE COATED FILAMENT INTO LENGTHS, PROVIDING A GLASS TUBE OF RELATIVELY LARGER DIAMETER, ASSEMBLING SAID LENGTHS OF COATED FILAMENT IN SIDE-BY-SIDE RELATION WITHIN THE TUBE, POTTING THESE LENTHS OF COATED FILAMENT WITHIN THE TUBE WITH A LOW MELTING METALLIC ALLOY, CUTTING THE TUBE AND COATED FILAMENT LENGTHS THEREIN TRANSVERSELY OF THE AXES OF THE LENGTHS FOR PROVIDING SELECTED EQUAL LENGTHS OF SAID COATED FILAMENT MELTING SAID ALLOY FOR SEPARATING SAID SELECTED LENGTH OF COATED FILAMENT, ETCHING THE ENDS OF SAID SELECTED LENGTHS TO REMOVE AT LEAST THE PORTIONS OF THE FILAMENT EMBODIED THEREIN WHICH EXTENDED OUTSIDE THE PERIPHERY OF THE COATING IN SAID SELECTED LENGTHS, ASSEMBLING SAID SELECTED LENGTHS IN COMPACT SIDE-BY-SIDE PARALLEL RELATION, HEATING SAID SELECTED LENGTHS TO THE FUSING TEMPERATURE OF SAID COATING MATERIAL, AND COMPRESSING SAID SELECTED LENGTHS FOR FUSING SAID SELECTED LENGTHS TOGETHER IN OUTRIGHT RELATION TO EACH OTHER.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-21 | 1969-09-20 | 1970-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-21 | 1973-09-20 | 1974-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-21 | 1977-09-20 | 1978-03-22 | $7700.00 | Window Closed / Lapsed |