Patent US1377994A successfully refreshed from Google Patents.
US1377994A
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US
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Liquid-feeding apparatus
Assignee: BARTLETT HAYWARD Co
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Filing: 1916-10-02
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Granted: 1921-05-10
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Expires: 1936-10-02
Abstract
No abstract record available.
Inventors
- 👤 Frederick H Wagner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:01
CPC Classifications
G; G05; G05D; G05D11/00; G05D11/02; G05D11/03; Y; Y10; Y10T; Y10T137/00; Y10T137/8158; Y10T137/8359; Y10T137/8593; Y10T137/86187; Y10T137/86348
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) | 1924-05-09 | 1924-11-08 | 1925-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1928-05-09 | 1928-11-08 | 1929-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1932-05-09 | 1932-11-08 | 1933-05-10 | $7700.00 | Window Closed / Lapsed |