US2449119A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control fitting for liquefied petroleum gas tanks
Assignee: Individual
•
Filing: 1944-10-14
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Granted: 1948-09-14
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Expires: 1964-10-14
Abstract
No abstract record available.
Inventors
- 👤 John R Holicer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:44
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; Y10T137/7838; Y10T137/7842; Y10T137/7869; Y10T137/7871; Y10T137/7904; Y10T137/7922; Y10T137/7924; Y10T137/8593; Y10T137/86292; Y10T137/87917
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) | 1951-09-14 | 1952-03-15 | 1952-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-09-14 | 1956-03-15 | 1956-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-09-14 | 1960-03-15 | 1960-09-14 | $7700.00 | Window Closed / Lapsed |