Patent US1752174A successfully refreshed from Google Patents.
Patent US1874473A successfully refreshed from Google Patents.
US1874473A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hay curing and drying machine
Assignee: Individual
•
Filing: 1928-08-03
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Granted: 1932-08-30
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Expires: 1948-08-03
Abstract
No abstract record available.
Inventors
- 👤 Egli Huldreich
- 👤 Samuel M Shoemaker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 12:16
CPC Classifications
F; F26; F26B; F26B17/00; F26B17/12; F26B17/122; F26B17/14; F26B17/1433; F26B17/1466
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) | 1935-08-30 | 1936-02-29 | 1936-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-08-30 | 1940-02-29 | 1940-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-08-30 | 1944-02-29 | 1944-08-30 | $7700.00 | Window Closed / Lapsed |