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US2816679A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High pressure closure
Assignee: American Radiator and Standard Sanitary Corp
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Filing: 1955-03-03
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Granted: 1957-12-17
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Expires: 1975-03-03
Abstract
No abstract record available.
Inventors
- 👤 Tinker Townsend
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:08
CPC Classifications
F; F16; F16J; F16J13/00; F16J13/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1449701A
Cited
US1617451A
Cited
US2009877A
Cited
US2219659A
Cited
US2273186A
Cited
US2247105A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-16 | 1961-06-17 | 1961-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-16 | 1965-06-17 | 1965-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-16 | 1969-06-17 | 1969-12-17 | $7700.00 | Window Closed / Lapsed |