Patent US1693889A successfully refreshed from Google Patents.
Patent US2478671A successfully refreshed from Google Patents.
US2478671A
Expired / Lapsed
US
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Supply system for liquids
Assignee: SIMMONDS DEV CORP Ltd
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Filing: 1947-07-09
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Granted: 1949-08-09
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Expires: 1967-07-09
Abstract
No abstract record available.
Inventors
- 👤 Stanley J Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:28
CPC Classifications
F; F02; F02M; F02M37/00; F02M37/04; F02M37/08; F02M2037/085; Y; Y10; Y10T; Y10T137/00; Y10T137/8158; Y10T137/8342
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) | 1952-08-08 | 1953-02-07 | 1953-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-08 | 1957-02-07 | 1957-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-08 | 1961-02-07 | 1961-08-09 | $7700.00 | Window Closed / Lapsed |