Patent US3116031A successfully refreshed from Google Patents.
Patent US2048613A successfully refreshed from Google Patents.
US2048613A
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Method of and apparatus for reducing the velocity of fluids
Assignee: Individual
•
Filing: 1932-10-10
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Granted: 1936-07-21
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Expires: 1952-10-10
Abstract
No abstract record available.
Inventors
- 👤 Arthur G Mckee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:36
CPC Classifications
F; F01; F01N; F01N3/00; F01N3/02; F01N3/037; C; C21; C21B; C21B7/00; C21B7/002; F01N1/00; F01N1/08; F01N1/085; C21B2100/00; C21B2100/40; C21B2100/44; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12; Y10; Y10T; Y10T137/00; Y10T137/0318
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) | 1939-07-21 | 1940-01-20 | 1940-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-07-21 | 1944-01-20 | 1944-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-07-21 | 1948-01-20 | 1948-07-21 | $7700.00 | Window Closed / Lapsed |