Patent US2478760A successfully refreshed from Google Patents.
US2478760A
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Control fitting for liquefied petroleum gas tanks
Assignee: Individual
•
Filing: 1943-09-02
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Granted: 1949-08-09
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Expires: 1963-09-02
Abstract
No abstract record available.
Inventors
- 👤 John R Holicer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:08
CPC Classifications
F; F17; F17C; F17C13/00; F17C13/04; F16; F16K; F16K15/00; F16K15/02; F16K15/06; F16K15/063; F16K15/065; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7869; Y10T137/7871; Y10T137/7904; Y10T137/7922; Y10T137/7924; Y10T137/7929; Y10T137/7936; Y10T137/8593; Y10T137/86292
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2145925A
Cited
US2188597A
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US2172311A
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US2179144A
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US2121675A
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US2214713A
Cited
US2322660A
Cited
US2290038A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-08 | 1953-02-07 | 1953-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-08 | 1957-02-07 | 1957-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-08 | 1961-02-07 | 1961-08-09 | $7700.00 | Window Closed / Lapsed |