US2515835A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid supply system
Assignee: Linde Air Products Co
•
Filing: 1945-04-11
•
Granted: 1950-07-18
•
Expires: 1965-04-11
Abstract
No abstract record available.
Inventors
- 👤 Albert L Preston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:35
CPC Classifications
F; F17; F17C; F17C9/00; F17C9/02; A; A61; A61M; A61M16/00; A61M16/10; A61M2202/00; A61M2202/02; A61M2202/0208; A61M2202/03; F17C2203/00; F17C2203/01; F17C2203/014; F17C2203/018; F17C2203/03; F17C2203/0391; F17C2203/06; F17C2203/0602; F17C2203/0612; F17C2203/0626; F17C2203/0629; F17C2203/0634; F17C2203/0636; F17C2205/00; F17C2205/03; F17C2205/0302; F17C2205/0323; F17C2205/0326; F17C2221/00; F17C2221/01; F17C2221/011; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/03; F17C2223/033; F17C2225/00; F17C2225/01; F17C2225/0107; F17C2225/0123; F17C2227/00; F17C2227/03; F17C2227/0302; F17C2227/0304; F17C2227/0367; F17C2227/0369; F17C2227/0374; F17C2227/0388; F17C2227/0393; F17C2270/00; F17C2270/01; F17C2270/0186; F17C2270/0189; F17C2270/02; F17C2270/025; Y; Y10; Y10T; Y10T137/00; Y10T137/6416; Y10T137/6606
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-17 | 1954-01-16 | 1954-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-17 | 1958-01-16 | 1958-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-17 | 1962-01-16 | 1962-07-18 | $7700.00 | Window Closed / Lapsed |