Patent US1544716A successfully refreshed from Google Patents.
US1544716A
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Method of and apparatus for procuring uniform flow
Assignee: Leeds and Northrup Co
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Filing: 1921-01-22
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Granted: 1925-07-07
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Expires: 1941-01-22
Abstract
No abstract record available.
Inventors
- 👤 Behr Leo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:03
CPC Classifications
G; G05; G05D; G05D7/00; G05D7/06; G05D7/0617; G05D7/0629; G05D7/0635; Y; Y10; Y10T; Y10T137/00; Y10T137/0318; Y10T137/0324; Y10T137/0357; Y10T137/2496; Y10T137/2514; Y10T137/2531; Y10T137/7722; Y10T137/7758; Y10T137/7761; Y10T137/7781; Y10T137/7784
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) | 1928-07-06 | 1929-01-05 | 1929-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-07-06 | 1933-01-05 | 1933-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-07-06 | 1937-01-05 | 1937-07-07 | $7700.00 | Window Closed / Lapsed |