US3392922A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flail-type material spreader with load opener
Assignee: Individual
•
Filing: 1965-12-28
•
Granted: 1968-07-16
•
Expires: 1985-12-28
Abstract
No abstract record available.
Inventors
- 👤 Paul G Lindgren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:15
CPC Classifications
A; A01; A01C; A01C3/00; A01C3/06; A01C3/063; E; E01; E01C; E01C19/00; E01C19/12; E01C19/20; E01C19/201; E01C19/202; E01C19/2025; Y; Y10; Y10S; Y10S366/00; Y10S366/606; Y10S366/607
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1510231A
Cited
US1573493A
Cited
US2738195A
Cited
US2715482A
Cited
US2821476A
Cited
US3048409A
Cited
US3251579A
Cited
US3173693A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-16 | 1972-01-15 | 1972-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-16 | 1976-01-15 | 1976-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-16 | 1980-01-15 | 1980-07-16 | $7700.00 | Window Closed / Lapsed |