Patent US3393290A successfully refreshed from Google Patents.
US3393290A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple filament guide-electrode assembly for pyrolytic deposition apparatus
Assignee: United States Department of the Air Force
•
Filing: 1965-08-13
•
Granted: 1968-07-16
•
Expires: 1985-08-13
Abstract
No abstract record available.
Inventors
- 👤 Ralph L Hough
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:33
CPC Classifications
C; C23; C23C; C23C16/00; C23C16/44; C23C16/54; C23C16/545; H; H01; H01J; H01J37/00; H01J37/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
172 words
A MULTIPLE FILAMENT GUIDE AND ELECTRODE ASSEMBLY COMBINATION FOR USE IN PYROLYTIC DEPOSITION APPARATUSES COMPRISING A FRAME MEMBER HAVING A PASSAGE THERETHROUGH OPENING UPON THE BOTH THE FRONT AND BACK SURFACES THEREOF, OPPOSED PAIRS OF VERTICALLY EXTENDING GROOVES IN THE WALLS ON OPPOSITE SIDES OF SAID PASSAGE ADJACENT EACH OF THE FRONT AND BACK SURFACES OF SAID FRAME MEMBER, A PLURALITY OF SUPERIMPOSED TRANSVERSELY EXTENDING ROD-LIKE MEMBERS OF DIELECTRIC MATERIAL THE ENDS OF WHICH ARE POSITIONED IN SAID OPPOSED PAIRS OF GROOVES ADJACENT BOTH THE FRONT AND BACK SURFACES OF SAID FRAME MEMBER WHEREBY SAID RODS ARE VERTICALLY SLIDABLE AND DEFINE WITH THE SIDEWALLS OF SAID PASSAGE A CLOSURE WITHIN SAID FRAME MEMBER, A PLURALITY OF VERTICALLY EXTENDING LATERALLY SPACED FILAMENT GUIDE BARS IN FIXED POSITION BETWEEN THE RODS ADJACENT THE FRONT SURFACE OF SAID FRAME MEMBER AND THE RODS ADJACENT THE BACK SURFACE OF SAID FRAME MEMBER, AN ELECTRICALLY CONDUCTIVE MATERIAL POSITIONED WITHIN SAID CLOSURE AND SURROUNDING SAID VERTICALLY EXTENDING FILAMENT GUIDES AND MEANS FOR ELECTRICALLY ENERGIZING SAID ELECTRICALLY CONDUCTIVE MATERIAL.
Claim 2
Dependent Claim
172 words
A MULTIPLE FILAMENT GUIDE AND ELECTRODE ASSEMBLY COMBINATION FOR USE IN PYROLYTIC DEPOSITION APPARATUSES COMPRISING A FRAME MEMBER HAVING A PASSAGE THERETHROUGH OPENING UPON THE BOTH THE FRONT AND BACK SURFACES THEREOF, OPPOSED PAIRS OF VERTICALLY EXTENDING GROOVES IN THE WALLS ON OPPOSITE SIDES OF SAID PASSAGE ADJACENT EACH OF THE FRONT AND BACK SURFACES OF SAID FRAME MEMBER, A PLURALITY OF SUPERIMPOSED TRANSVERSELY EXTENDING ROD-LIKE MEMBERS OF DIELECTRIC MATERIAL THE ENDS OF WHICH ARE POSITIONED IN SAID OPPOSED PAIRS OF GROOVES ADJACENT BOTH THE FRONT AND BACK SURFACES OF SAID FRAME MEMBER WHEREBY SAID RODS ARE VERTICALLY SLIDABLE AND DEFINE WITH THE SIDEWALLS OF SAID PASSAGE A CLOSURE WITHIN SAID FRAME MEMBER, A PLURALITY OF VERTICALLY EXTENDING LATERALLY SPACED FILAMENT GUIDE BARS IN FIXED POSITION BETWEEN THE RODS ADJACENT THE FRONT SURFACE OF SAID FRAME MEMBER AND THE RODS ADJACENT THE BACK SURFACE OF SAID FRAME MEMBER, AN ELECTRICALLY CONDUCTIVE MATERIAL POSITIONED WITHIN SAID CLOSURE AND SURROUNDING SAID VERTICALLY EXTENDING FILAMENT GUIDES AND MEANS FOR ELECTRICALLY ENERGIZING SAID ELECTRICALLY CONDUCTIVE MATERIAL.
References Cited (Backward Citations)
US1059366A
Cited
US3313269A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-16 | 1972-01-15 | 1972-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-16 | 1976-01-15 | 1976-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-16 | 1980-01-15 | 1980-07-16 | $7700.00 | Window Closed / Lapsed |