Patent US2685979A successfully refreshed from Google Patents.
US2685979A
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Protective assembly for high-pressure fluid medium containers
Assignee: Specialties Development Corp
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Filing: 1951-01-24
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Granted: 1954-08-10
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Expires: 1971-01-24
Abstract
No abstract record available.
Inventors
- 👤 Elwood R Zeek
- 👤 Horace S Daley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:51
CPC Classifications
F; F17; F17C; F17C1/00; F17C1/02; F17C1/04; F17C1/06; F17C2201/00; F17C2201/01; F17C2201/0104; F17C2201/0109; F17C2201/05; F17C2201/056; F17C2203/00; F17C2203/06; F17C2203/0602; F17C2203/0607; F17C2203/0612; F17C2203/0614; F17C2203/0624; F17C2203/0634; F17C2203/0636; F17C2205/00; F17C2205/01; F17C2205/0103; F17C2205/0115; F17C2205/03; F17C2205/0302; F17C2205/0323; F17C2205/0329; F17C2205/0388; F17C2205/0394; F17C2209/00; F17C2209/21; F17C2209/2154; F17C2209/2163; F17C2209/22; F17C2209/224; F17C2223/00; F17C2223/01; F17C2223/0107; F17C2223/0123; F17C2223/0146; F17C2223/0153; F17C2223/03; F17C2223/036; F17C2260/00; F17C2260/01; F17C2260/015; F17C2260/04; F17C2260/042; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/49874
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) | 1957-08-09 | 1958-02-08 | 1958-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-09 | 1962-02-08 | 1962-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-09 | 1966-02-08 | 1966-08-10 | $7700.00 | Window Closed / Lapsed |