US3715870A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Orifice and filter assembly
Assignee: Watts Water Technologies Inc
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Filing: 1970-06-29
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Granted: 1973-02-13
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Expires: 1990-06-29
Abstract
Abstract A PLATE MEMBER CONTAINING AN ORIFICE FOR USE IN A PIPELINE OF STEAM POWERED EQUIPMENT TO CONTROL THE DRAINAGE OF STEAM CONDENSATE WITH A MINIMUM LOSS OF STEAM. A FILTERING ELEMENT IS LOCATED ADJACENT THE PLATE MEMBER IN THE PIPELINE TO PREVENT DELETERIOUS MATERIAL FROM CLOGGING THE ORIFICE.
Inventors
- 👤 L Guzick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:42
CPC Classifications
F; F16; F16T; F16T1/00; F16T1/34; B; B01; B01D; B01D29/00; B01D29/01; B01D35/00; B01D35/02
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) | 1976-02-13 | 1976-08-14 | 1977-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-02-13 | 1980-08-14 | 1981-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-02-13 | 1984-08-14 | 1985-02-13 | $7700.00 | Window Closed / Lapsed |