US3220873A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating and impregnation of articles by spark generated shock waves
Assignee: Individual
•
Filing: 1964-10-23
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Granted: 1965-11-30
•
Expires: 1984-10-23
Abstract
No abstract record available.
Inventors
- 👤 Richard H Wesley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:06
CPC Classifications
B; B01; B01J; B01J3/00; B01J3/06; B01J3/08; C; C25; C25D; C25D13/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
A METHOD OF TRANSFERRING MATERIALS FROM SELECTED NON-GASEOUS FLUID MEDIA AND DEPOSITING THESE MATERIALS UPON SELECTED ARTICLES, SAID METHOD COMPRISING THE STEPS OF: (A) FILLING A RECEPTACLE WITH A SELECTED NON-GASEOUS FLUID OF WHICH AT LEAST ONE CONSTITUENT THEREOF IS TO BE DEPOSITED; (B) SEALING SAID RECEPTACLE; AND (C) DISCHARGING FROM ELECTRODES IMMERSED IN SAID NONGASEOUS FLUID IN SAID RECEPTACLE A QUANTITY OF ELECTRICAL ENERGY AMOUNTING TO AT LEAST 10 JOULES PER EACH CUBIC INCH OF VOLUMETRIC RAPACITY OF SAID RECEPTACLE, WITH SAID DISCHARGE TAKING PLACE WITHIN A TIME INTERVAL BETWEEN 25 AND 300 MICROSECONDS AND WITH THE INITIAL DISCHARGE CURRENT BEING BETWEEN 5,000 AND 300,000 AMPERES, SAID DISCHARGE PRODUCING IN THE NON-GASEOUS FLUID A SHOCK WAVE AND PRESSURE BUILD-UP.
Claim 2
Independent Claim
120 words
A METHOD OF TRANSFERRING MATERIALS FROM SELECTED NON-GASEOUS FLUID MEDIA AND DEPOSITING THESE MATERIALS UPON SELECTED ARTICLES, SAID METHOD COMPRISING THE STEPS OF: (A) FILLING A RECEPTACLE WITH A SELECTED NON-GASEOUS FLUID OF WHICH AT LEAST ONE CONSTITUENT THEREOF IS TO BE DEPOSITED; (B) SEALING SAID RECEPTACLE; AND (C) DISCHARGING FROM ELECTRODES IMMERSED IN SAID NONGASEOUS FLUID IN SAID RECEPTACLE A QUANTITY OF ELECTRICAL ENERGY AMOUNTING TO AT LEAST 10 JOULES PER EACH CUBIC INCH OF VOLUMETRIC RAPACITY OF SAID RECEPTACLE, WITH SAID DISCHARGE TAKING PLACE WITHIN A TIME INTERVAL BETWEEN 25 AND 300 MICROSECONDS AND WITH THE INITIAL DISCHARGE CURRENT BEING BETWEEN 5,000 AND 300,000 AMPERES, SAID DISCHARGE PRODUCING IN THE NON-GASEOUS FLUID A SHOCK WAVE AND PRESSURE BUILD-UP.
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) | 1968-11-29 | 1969-05-31 | 1969-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-29 | 1973-05-31 | 1973-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-29 | 1977-05-31 | 1977-11-30 | $7700.00 | Window Closed / Lapsed |