US3021684A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metering system for liquefied gases
Assignee: Ralph N Brodie Co
•
Filing: 1958-11-18
•
Granted: 1962-02-20
•
Expires: 1978-11-18
Abstract
No abstract record available.
Inventors
- 👤 William F Berck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:28
CPC Classifications
F; F17; F17C; F17C13/00; F17C13/02; F16; F16K; F16K31/00; F16K31/12; F16K31/36; F16K31/363; G; G01; G01F; G01F15/00; G01F15/08; F17C2221/00; F17C2221/03; F17C2221/032; F17C2221/035; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/03; F17C2223/033; F17C2227/00; F17C2227/01; F17C2227/0128; F17C2227/0135; F17C2227/0142; F17C2250/00; F17C2250/04; F17C2250/0404; F17C2250/043; F17C2250/0434; F17C2250/0443; F17C2250/0486; F17C2250/0495; F17C2250/06; F17C2250/0605; F17C2250/0636; F17C2250/07; F17C2250/072; F17C2260/00; F17C2260/02; F17C2260/024; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7758; Y10T137/7762; Y10T137/7769; Y10T137/777
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2049239A
Cited
US2291678A
Cited
US2362724A
Cited
US2610471A
Cited
US2753692A
Cited
US2922288A
Cited
US2728196A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-19 | 1965-08-21 | 1966-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-19 | 1969-08-21 | 1970-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-19 | 1973-08-21 | 1974-02-20 | $7700.00 | Window Closed / Lapsed |