Patent US2684180A successfully refreshed from Google Patents.
US2684180A
Expired / Lapsed
US
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Stored pressure medium container with discharge control
Assignee: CO Two Fire Equipment Co
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Filing: 1950-01-10
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Granted: 1954-07-20
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Expires: 1970-01-10
Abstract
No abstract record available.
Inventors
- 👤 Frank B Allen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:32
CPC Classifications
F; F16; F16K; F16K13/00; F16K13/04; F17; F17C; F17C13/00; F17C13/04; F17C2205/00; F17C2205/03; F17C2205/0302; F17C2205/0323; F17C2205/0382; F17C2205/0388; F17C2205/0394; F17C2250/00; F17C2250/06; F17C2250/0605; F17C2250/0636; F17C2270/00; F17C2270/07; F17C2270/0754; Y; Y10; Y10T; Y10T137/00; Y10T137/1624; Y10T137/1632; Y10T137/1692; Y10T137/1714; Y10T137/1759; Y10T137/1767
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-07-19 | 1958-01-18 | 1958-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-19 | 1962-01-18 | 1962-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-19 | 1966-01-18 | 1966-07-20 | $7700.00 | Window Closed / Lapsed |