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US2491739A
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Farm waste disintegrating machine
Assignee: Individual
•
Filing: 1944-12-11
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Granted: 1949-12-20
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Expires: 1964-12-11
Abstract
No abstract record available.
Inventors
- 👤 Dow Charles La
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:25
CPC Classifications
A; A01; A01C; A01C3/00; Y; Y10; Y10S; Y10S56/00; Y10S56/01; Y10S56/11
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US714475A
Cited
US1457424A
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US1923405A
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US2240066A
Cited
US2345715A
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US2347907A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-12-19 | 1953-06-20 | 1953-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-19 | 1957-06-20 | 1957-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-19 | 1961-06-20 | 1961-12-20 | $7700.00 | Window Closed / Lapsed |