US2565872A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety nozzle for filling butane tanks
Assignee: PARKHILL WADE
•
Filing: 1950-07-03
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Granted: 1951-08-28
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Expires: 1970-07-03
Abstract
No abstract record available.
Inventors
- 👤 Theodore G Melsheimer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:25
CPC Classifications
F; F17; F17C; F17C13/00; F17C13/04; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7723; Y10T137/7731; Y10T137/7781; Y10T137/7783; Y10T137/7837; Y10T137/7904; Y10T137/7922; Y10T137/7927; Y10T137/8593; Y10T137/87917; Y10T137/87981; Y10T137/88054
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2307427A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-27 | 1955-02-26 | 1955-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-27 | 1959-02-26 | 1959-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-27 | 1963-02-26 | 1963-08-28 | $7700.00 | Window Closed / Lapsed |