US3198655A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for coating loose particles with a sprayable bonding substance
Assignee: Individual
•
Filing: 1960-11-15
•
Granted: 1965-08-03
•
Expires: 1980-11-15
Abstract
No abstract record available.
Inventors
- 👤 Gisiger Kurt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:34
CPC Classifications
B; B29; B29B; B29B7/00; B29B7/80; B29B7/88; B29B7/94; B29B7/945; B01; B01F; B01F25/00; B01F25/70; B01F25/72; B01F25/721; B01F27/00; B01F27/60; B01F27/70; B01F27/701; B01F27/702; B01J; B01J2/00; B01J2/003; B27; B27N; B27N1/00; B27N1/02; B27N1/0227; B27N1/0254
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
A METHOD FOR THOROUGHLY COATING SMALL SOLID PARTICLES COMPRISING THE STEPS OF SUPPLYING A QUANTITY OF SMALL PARTICLES TO A DISTRIBUTING DEVICE AND SUBJECTING THE SMALL PARTICLES TO THE FORCE OF GRAVITY, IMPARTING A ROTATING AND SPREADING DIRECTION TO THE DOWNWARDLY FALLING PARTICLES, CAUSING EACH INDIVIDUAL PARTICLE TO FOLLOW THE PATH OF A HELIX AND CAUSING THE GROUP OF PARTICLES TO FORM A WIDE HOLLOW CYLINDRICAL CONFIGURATION, SUBJECTING SAID PARTICLES DIRECTLY, IN ADDITION TO THE FORCES OF GRAVITY, TO A DOWNWARD DIRECTION WITH RESPECT TO NORMAL FREE FALLING VELOCITY IN AIR, AND SUBJECTING SAID PARTICLES TO A SPRAY OF BONDING MATERIAL.
Claim 2
Independent Claim
101 words
A METHOD FOR THOROUGHLY COATING SMALL SOLID PARTICLES COMPRISING THE STEPS OF SUPPLYING A QUANTITY OF SMALL PARTICLES TO A DISTRIBUTING DEVICE AND SUBJECTING THE SMALL PARTICLES TO THE FORCE OF GRAVITY, IMPARTING A ROTATING AND SPREADING DIRECTION TO THE DOWNWARDLY FALLING PARTICLES, CAUSING EACH INDIVIDUAL PARTICLE TO FOLLOW THE PATH OF A HELIX AND CAUSING THE GROUP OF PARTICLES TO FORM A WIDE HOLLOW CYLINDRICAL CONFIGURATION, SUBJECTING SAID PARTICLES DIRECTLY, IN ADDITION TO THE FORCES OF GRAVITY, TO A DOWNWARD DIRECTION WITH RESPECT TO NORMAL FREE FALLING VELOCITY IN AIR, AND SUBJECTING SAID PARTICLES TO A SPRAY OF BONDING MATERIAL.
References Cited (Backward Citations)
US2071846A
Cited
US2601355A
Cited
US2625305A
Cited
US2707690A
Cited
US2707847A
Cited
US2871575A
Cited
US2953359A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-02 | 1969-02-01 | 1969-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-02 | 1973-02-01 | 1973-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-02 | 1977-02-01 | 1977-08-03 | $7700.00 | Window Closed / Lapsed |