US2521999A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hay crushing machine
Assignee: Individual
•
Filing: 1947-07-03
•
Granted: 1950-09-12
•
Expires: 1967-07-03
Abstract
No abstract record available.
Inventors
- 👤 Thurman T Scott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:35
CPC Classifications
A; A01; A01D; A01D43/00; A01D43/10; Y; Y10; Y10S; Y10S56/00; Y10S56/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US646862A
Cited
US721064A
Cited
US1972680A
Cited
US1958910A
Cited
US2114580A
Cited
US2345715A
Cited
US2439259A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-09-11 | 1954-03-13 | 1954-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-11 | 1958-03-13 | 1958-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-11 | 1962-03-13 | 1962-09-12 | $7700.00 | Window Closed / Lapsed |