US2408842A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic cylinder filling device
Assignee: Phillips Petroleum Co
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Filing: 1942-06-22
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Granted: 1946-10-08
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Expires: 1962-06-22
Abstract
No abstract record available.
Inventors
- 👤 Owen L Garretson
- 👤 Clair Theodore A St
- 👤 Andrew R Olson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:12
CPC Classifications
F; F17; F17C; F17C13/00; F17C13/02; F17C2201/00; F17C2201/01; F17C2201/0104; F17C2201/0109; F17C2201/0119; F17C2201/03; F17C2201/032; F17C2201/05; F17C2201/058; F17C2205/00; F17C2205/03; F17C2205/0302; F17C2205/0323; F17C2221/00; F17C2221/03; F17C2221/032; F17C2221/035; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/03; F17C2223/033; F17C2227/00; F17C2227/04; F17C2250/00; F17C2250/03; F17C2250/036; F17C2250/04; F17C2250/0404; F17C2250/0421; F17C2250/06; F17C2250/0605; F17C2250/0615; F17C2250/0636; F17C2250/07; F17C2250/072; F17C2250/075; F17C2260/00; F17C2260/02; F17C2260/024; F17C2270/00; F17C2270/07; F17C2270/0745; Y; Y10; Y10S; Y10S177/00; Y10S177/07
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1949-10-07 | 1950-04-08 | 1950-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-10-07 | 1954-04-08 | 1954-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-10-07 | 1958-04-08 | 1958-10-08 | $7700.00 | Window Closed / Lapsed |