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US1372903A
Expired / Lapsed
US
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Fluid-control feed
Assignee: PERKINS APPLIANCE Co
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Filing: 1919-08-27
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Granted: 1921-03-29
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Expires: 1939-08-27
Abstract
No abstract record available.
Inventors
- 👤 Julian L Perkins
- 👤 Frank W Sickles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:26
CPC Classifications
B; B23; B23D; B23D55/00; B23D55/08; B23D55/088; B23D55/089; Y; Y10; Y10T; Y10T408/00; Y10T408/16; Y10T408/17; Y10T408/172; Y10T408/21; Y10T408/65; Y10T408/675; Y10T408/6757; Y10T83/00; Y10T83/869; Y10T83/8719
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) | 1924-03-28 | 1924-09-27 | 1925-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1928-03-28 | 1928-09-27 | 1929-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1932-03-28 | 1932-09-27 | 1933-03-29 | $7700.00 | Window Closed / Lapsed |