Patent US3267720A successfully refreshed from Google Patents.
US3267720A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Accelerator
Assignee: North American Aviation Corp
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Filing: 1963-05-27
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Granted: 1966-08-23
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Expires: 1983-05-27
Abstract
No abstract record available.
Inventors
- 👤 Edward A Escallier
- 👤 Charles N Scully
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:56
CPC Classifications
G; G01; G01M; G01M9/00; G01M9/02; G01M9/04; G01M9/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
262 words
AN APPARATUS FOR ACCELERATING PROJECTILES COMPRISING: A HIGH ENERGY CAPACITOR BANK HAVING FIRST AND SECOND VOLTAGE PORTIONS, A POWER SUPPLY ELECTRICALLY CONNECTED TO THE CAPACITOR BANK, A TARGET CHAMBER HAVING A TARGET HOLDER, A FLIGHT RANGE ALIGNED WITH THE TARGET CHAMBER, MEANS FOR MEASURING THE VELOCITY OF ACCELERATED PROJECTILES, A GUN CHAMBER ALIGNED WITH THE FLIGHT RANGE ON THE OPPOSITE END THEREOF FROM THE TARGET CHAMBER, SAID GUN CHAMBER COMPRISING: A CONNECTING TUBE IN FLUID COMMUNICATION WITH THE FLIGHT RANGE, A GUN BARREL HAVING AN AXIAL PASSAGE THERETHROUGH CONTAINED IN THE CONNECTING TUBE, A FRONT ELECTRODE ADJACENT TO AND COAXIAL WITH THE GUN BARREL AND HAVING AN AXIAL PASSAGE THERETHROUGH, A THIN VAPORIZABLE FILM BETWEEN THE GUN BARREL AND THE FRONT ELECTRODE, SAID FILM SUPPORTING A PROJECTILE TO BE ACCELERATED IN A POSITION INTERMEDIATE THE WALLS OF THE PASSAGE THROUGH THE GUN BARREL, AN INSULATING CYLINDER ADJACENT THE FRONT ELECTRODE COAXIAL WITH THE GUN BARREL AND HAVING AN AXIAL PASSAGE THERETHROUGH, A LITHIUM WIRE SUBSTANTIALLY FILLING THE PASSAGE THROUGH THE INSULATING CYLINDER, A DIELECTRIC FILM BETWEEN THE LITHIUM WIRE AND THE FRONT ELECTRODE, A FLAT REAR ELECTRODE ALIGNED WITH THE GUN BARREL AND IN ELECTRICAL CONTACT WITH THE LITHIUM WIRE AT THE OPPOSITE END THEREOF FROM THE FRONT ELECTRODE, A FIRST ELECTRICALLY CONTINUOUS PATH BETWEEN THE REAR ELECTRODE AND THE FIRST VOLTAGE PORTION OF THE CAPACITOR BANK, A SECOND ELECTRICALLY CONTINUOUS PATH BETWEEN THE FRONT ELECTRODE AND THE SECOND VOLTAGE PORTION OF THE CAPACITOR BANK, A RESILIENT HOLLOW CYLINDER SURROUNDING THE INSULATING CYLINDER, AND A PRESSURE RETAINING CYLINDER SURROUNDING THE RESILIENT CYLINDER.
Claim 2
Independent Claim
262 words
AN APPARATUS FOR ACCELERATING PROJECTILES COMPRISING: A HIGH ENERGY CAPACITOR BANK HAVING FIRST AND SECOND VOLTAGE PORTIONS, A POWER SUPPLY ELECTRICALLY CONNECTED TO THE CAPACITOR BANK, A TARGET CHAMBER HAVING A TARGET HOLDER, A FLIGHT RANGE ALIGNED WITH THE TARGET CHAMBER, MEANS FOR MEASURING THE VELOCITY OF ACCELERATED PROJECTILES, A GUN CHAMBER ALIGNED WITH THE FLIGHT RANGE ON THE OPPOSITE END THEREOF FROM THE TARGET CHAMBER, SAID GUN CHAMBER COMPRISING: A CONNECTING TUBE IN FLUID COMMUNICATION WITH THE FLIGHT RANGE, A GUN BARREL HAVING AN AXIAL PASSAGE THERETHROUGH CONTAINED IN THE CONNECTING TUBE, A FRONT ELECTRODE ADJACENT TO AND COAXIAL WITH THE GUN BARREL AND HAVING AN AXIAL PASSAGE THERETHROUGH, A THIN VAPORIZABLE FILM BETWEEN THE GUN BARREL AND THE FRONT ELECTRODE, SAID FILM SUPPORTING A PROJECTILE TO BE ACCELERATED IN A POSITION INTERMEDIATE THE WALLS OF THE PASSAGE THROUGH THE GUN BARREL, AN INSULATING CYLINDER ADJACENT THE FRONT ELECTRODE COAXIAL WITH THE GUN BARREL AND HAVING AN AXIAL PASSAGE THERETHROUGH, A LITHIUM WIRE SUBSTANTIALLY FILLING THE PASSAGE THROUGH THE INSULATING CYLINDER, A DIELECTRIC FILM BETWEEN THE LITHIUM WIRE AND THE FRONT ELECTRODE, A FLAT REAR ELECTRODE ALIGNED WITH THE GUN BARREL AND IN ELECTRICAL CONTACT WITH THE LITHIUM WIRE AT THE OPPOSITE END THEREOF FROM THE FRONT ELECTRODE, A FIRST ELECTRICALLY CONTINUOUS PATH BETWEEN THE REAR ELECTRODE AND THE FIRST VOLTAGE PORTION OF THE CAPACITOR BANK, A SECOND ELECTRICALLY CONTINUOUS PATH BETWEEN THE FRONT ELECTRODE AND THE SECOND VOLTAGE PORTION OF THE CAPACITOR BANK, A RESILIENT HOLLOW CYLINDER SURROUNDING THE INSULATING CYLINDER, AND A PRESSURE RETAINING CYLINDER SURROUNDING THE RESILIENT CYLINDER.
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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) | 1969-08-22 | 1970-02-21 | 1970-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-22 | 1974-02-21 | 1974-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-22 | 1978-02-21 | 1978-08-23 | $7700.00 | Window Closed / Lapsed |