US3621774A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compacting mechanism
Assignee: WATERBURY HYDRAULIC AND POLLUTIO
•
Filing: 1970-02-18
•
Granted: 1971-11-23
•
Expires: 1990-02-18
Abstract
Abstract A REFUSE COMPACTING MECHANISM WHICH HAS A SEALING GATE ADJACENT ITS DISCHARGE SECTION TO SEAL OFF THE DISCHARGE SECTION FROM THE HOPPER SECTION OF SAID MECHANISM. WHEN THE MECHANISM IS USED WITH A SEALED AIR TUPE INCINERATOR THE SEALING GATE PERMITS INCINERATION TO PROCEED UNDER THE CONTROLLED CONDITIONS EXISTING WITHIN THE INCINERATOR.
Inventors
- 👤 Douglas A Dedio
- 👤 John E Baker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:36
CPC Classifications
B; B30; B30B; B30B9/00; B30B9/30; B30B9/3042; B30B9/3003; B30B9/3014; Y; Y10; Y10S; Y10S100/00; Y10S100/903; Y10S100/906
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1974-11-22 | 1975-05-24 | 1975-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-22 | 1979-05-24 | 1979-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-22 | 1983-05-24 | 1983-11-23 | $7700.00 | Window Closed / Lapsed |