US3210007A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for producing particles of high charge density
Assignee: Arthur D Little Inc
•
Filing: 1963-03-18
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Granted: 1965-10-05
•
Expires: 1983-03-18
Abstract
No abstract record available.
Inventors
- 👤 Arnold W Doyle
- 👤 Moffett David Read
- 👤 Vonnegut Bernard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:44
CPC Classifications
B; B05; B05B; B05B5/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
METHOD OF IMPARTING HIGH CHARGE DENSITY TO VOLATILE AEROSOL PARTICLES COMPRISING THE STEPS OF DISCHARGING SAID PARTICLES FROM A SOURCE IN THE FORM OF A SPRAY, APPLYING A HIGH ELECTRIC CHARGE TO SAID PARTICLES AS THEY ARE DISCHARGED, AND CAUSING SAID PARTICLES TO VOLATILIZE PARTIALLY UNTIL THE PARTICLE CHARGE THEREON IS AUGMENTED TO A POINT IN EXCESS OF NORMAL MAXIMUM CHARGE FOR SUCH PARTICLES AND THEREAFTER PERMITTING SAID PARTIALLY VOLATILIZED PARTICLES TO STRIKE A SURFACE.
Claim 2
Dependent Claim
75 words
METHOD OF IMPARTING HIGH CHARGE DENSITY TO VOLATILE AEROSOL PARTICLES COMPRISING THE STEPS OF DISCHARGING SAID PARTICLES FROM A SOURCE IN THE FORM OF A SPRAY, APPLYING A HIGH ELECTRIC CHARGE TO SAID PARTICLES AS THEY ARE DISCHARGED, AND CAUSING SAID PARTICLES TO VOLATILIZE PARTIALLY UNTIL THE PARTICLE CHARGE THEREON IS AUGMENTED TO A POINT IN EXCESS OF NORMAL MAXIMUM CHARGE FOR SUCH PARTICLES AND THEREAFTER PERMITTING SAID PARTIALLY VOLATILIZED PARTICLES TO STRIKE A SURFACE.
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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) | 1968-10-04 | 1969-04-05 | 1969-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-04 | 1973-04-05 | 1973-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-04 | 1977-04-05 | 1977-10-05 | $7700.00 | Window Closed / Lapsed |