Patent US2423772A successfully refreshed from Google Patents.
US2423772A
Expired / Lapsed
US
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Rake
Assignee: Individual
•
Filing: 1944-07-06
•
Granted: 1947-07-08
•
Expires: 1964-07-06
Abstract
No abstract record available.
Inventors
- 👤 Harold R Haase
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:52
CPC Classifications
A; A01; A01D; A01D7/00; A01D7/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US695197A
Cited
US1297907A
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US1631455A
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US1587369A
Cited
GB299821A
Cited
US1980252A
Cited
US1989815A
Cited
US2095693A
Cited
US2156480A
Cited
US2322132A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-07-07 | 1951-01-06 | 1951-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-07-07 | 1955-01-06 | 1955-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-07-07 | 1959-01-06 | 1959-07-08 | $7700.00 | Window Closed / Lapsed |