US3621775A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compacting mechanism
Assignee: WATERBURY HYDRAULIC AND POLLUTIO
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Filing: 1969-07-31
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Granted: 1971-11-23
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Expires: 1989-07-31
Abstract
Abstract A REFUSE COMPACTING MECHANISM WHICH HAS A VARIABLE RESTRICTED THROAT IN ITS OUTLET TUBE TO APPLY SUFFICIENT RESISTANCE TO PERMIT EFFECTIVE COMPACTING.
Inventors
- 👤 Douglas A Dedio
- 👤 John E Baker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:51
CPC Classifications
B; B30; B30B; B30B9/00; B30B9/30; B30B9/3003; B30B9/3025; B30B9/3089
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) | 1974-11-22 | 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 |