US2820558A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tractor-mounted loader
Assignee: Individual
•
Filing: 1954-06-15
•
Granted: 1958-01-21
•
Expires: 1974-06-15
Abstract
No abstract record available.
Inventors
- 👤 Elmer L Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:29
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/627; E02F3/28; E02F3/36; E02F3/40; E02F3/407
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1770374A
Cited
US2193560A
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US2397046A
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US2472194A
Cited
US2676719A
Cited
US2750057A
Cited
US2654494A
Cited
US2672995A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-01-20 | 1961-07-22 | 1962-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-20 | 1965-07-22 | 1966-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-20 | 1969-07-22 | 1970-01-21 | $7700.00 | Window Closed / Lapsed |