US3606828A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Popping apparatus
Assignee: Individual
•
Filing: 1970-05-14
•
Granted: 1971-09-21
•
Expires: 1990-05-14
Abstract
Abstract APPARATUS FOR CONTINUOUSLY AND POSITIVELY CONVEYING POPPABLE MATERIAL THROUGH A HEATING COMPARTMENT WHEREIN THE MATERIAL IS POPPED AND IMMEDIATELY REMOVED FROM THE HEATING COMPARTMENT. A CONVEYOR POSITIVELY FEEDS THE MATERIAL THROUGH THE HEATING COMPARTMENT AND BAFFLES ARE EMPLOYED IN THE HEATING COMPARTMENT TO REGULATE THE TEMPERATURE AT SPECIFIED LOCATIONS THROUGHOUT THE LENGTH OF THE HEATING COMPARTMENT. AIR PRESSURE IS EMPLOYED FOR IMMEDIATELY REMOVING POPPED MATERIAL FROM THE POPPING APPARATUS.
Inventors
- 👤 Donald P Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:52
CPC Classifications
A; A23; A23P; A23P30/00; A23P30/30; A23P30/38
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-20 | 1975-03-22 | 1975-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-20 | 1979-03-22 | 1979-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-20 | 1983-03-22 | 1983-09-21 | $7700.00 | Window Closed / Lapsed |