US2466878A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sweep rake and stacker
Assignee: Individual
•
Filing: 1945-06-20
•
Granted: 1949-04-12
•
Expires: 1965-06-20
Abstract
No abstract record available.
Inventors
- 👤 Charles J Davis
- 👤 Loyd R Westholt
- 👤 John I Michaels
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:39
CPC Classifications
A; A01; A01D; A01D87/00; A01D87/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1504427A
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US1547773A
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US2295917A
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US2242860A
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US2338361A
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US2319921A
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US2300731A
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US2349335A
Cited
US2348899A
Cited
US2413097A
Cited
US2385512A
Cited
US2398119A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-04-11 | 1952-10-11 | 1953-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-04-11 | 1956-10-11 | 1957-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-04-11 | 1960-10-11 | 1961-04-12 | $7700.00 | Window Closed / Lapsed |