US3096532A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tablet duster
Assignee: FJ Stokes Corp
•
Filing: 1960-05-05
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Granted: 1963-07-09
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Expires: 1980-05-05
Abstract
No abstract record available.
Inventors
- 👤 Raymond G Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:15
CPC Classifications
A; A61; A61J; A61J3/00; A61J3/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
200 words
A TABLET DUSTING MACHINE COMPRISING A TRAY, A SCREEN ON SAID TRAY, SAID SCREEN HAVING FIRST AND SECOND STEPS LYING IN SUBSTANTIALLY PARALLEL PLANES WITH THE PLANE OF SAID FIRST STEP BEING ABOVE THE PLANE OF SAID SECOND STEP, MEANS INCLUDING THE DISTANCE BETWEEN SAID PLANES FOR ENABLING A TABLET ON SAID FIRST STEP TO FALL UNTO SAID SECOND STEP IN A MANNER SO THAT THE UPPERMOST SIDE OF A TABLET WHILE ON SAID FIRST STEP IS THE LOWERMOST SIDE OF SAID TABLET WHILE IT IS ON SAID SECOND STEP, A DUST COLLECTING PORTION ON SAID TRAY BENEATH SAID SCREEN, A FIRST MEANS ABOVE SAID FIRST STEP ON SAID SCREEN FOR DISSIPATING AN ELECTROSTATIC CHARGE ON ONE SIDE OF A TABLET AND FOR SUBJECTING SAID ONE SIDE TO A JET OF AIR, A SECOND MEANS ABOVE SAID SECOND STEP ON SAID SCREEN FOR DISSIPATING AN ELECTROSTATIC CHARGE ON ANOTHER SIDE OF SAID TABLET AND FOR SUBJECTING SAID OTHER SIDE TO A JET OF AIR, AND A VIBRATOR OPERATIVELY ENGAGED WITH SAID TRAY SO THAT VIBRATOR OF SAID TRAY CAUSES TABLETS ON SAID SCREEN FIRST STEP TO HOP ALONG SAID SCREEN FIRST STEP AND FLIP OVER ONTO SAID SCREEN SECOND STEP.
Claim 2
Dependent Claim
200 words
A TABLET DUSTING MACHINE COMPRISING A TRAY, A SCREEN ON SAID TRAY, SAID SCREEN HAVING FIRST AND SECOND STEPS LYING IN SUBSTANTIALLY PARALLEL PLANES WITH THE PLANE OF SAID FIRST STEP BEING ABOVE THE PLANE OF SAID SECOND STEP, MEANS INCLUDING THE DISTANCE BETWEEN SAID PLANES FOR ENABLING A TABLET ON SAID FIRST STEP TO FALL UNTO SAID SECOND STEP IN A MANNER SO THAT THE UPPERMOST SIDE OF A TABLET WHILE ON SAID FIRST STEP IS THE LOWERMOST SIDE OF SAID TABLET WHILE IT IS ON SAID SECOND STEP, A DUST COLLECTING PORTION ON SAID TRAY BENEATH SAID SCREEN, A FIRST MEANS ABOVE SAID FIRST STEP ON SAID SCREEN FOR DISSIPATING AN ELECTROSTATIC CHARGE ON ONE SIDE OF A TABLET AND FOR SUBJECTING SAID ONE SIDE TO A JET OF AIR, A SECOND MEANS ABOVE SAID SECOND STEP ON SAID SCREEN FOR DISSIPATING AN ELECTROSTATIC CHARGE ON ANOTHER SIDE OF SAID TABLET AND FOR SUBJECTING SAID OTHER SIDE TO A JET OF AIR, AND A VIBRATOR OPERATIVELY ENGAGED WITH SAID TRAY SO THAT VIBRATOR OF SAID TRAY CAUSES TABLETS ON SAID SCREEN FIRST STEP TO HOP ALONG SAID SCREEN FIRST STEP AND FLIP OVER ONTO SAID SCREEN SECOND STEP.
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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) | 1966-07-08 | 1967-01-07 | 1967-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-08 | 1971-01-07 | 1971-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-08 | 1975-01-07 | 1975-07-09 | $7700.00 | Window Closed / Lapsed |