US2535414A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Material spreader
Assignee: D A COBURN
•
Filing: 1946-09-06
•
Granted: 1950-12-26
•
Expires: 1966-09-06
Abstract
No abstract record available.
Inventors
- 👤 Heidger Leonard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:31
CPC Classifications
E; E01; E01C; E01C19/00; E01C19/12; E01C19/20; E01C19/201; E01C19/202; E01C19/203; A; A01; A01C; A01C17/00; A01K; A01K1/00; A01K1/015; Y; Y02; Y02A; Y02A40/00; Y02A40/10; Y02A40/28
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE99118C
Cited
US883564A
Cited
US922028A
Cited
AU149526A
Cited
US1965483A
Cited
US2044652A
Cited
US2097102A
Cited
US2334376A
Cited
US2451128A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-25 | 1954-06-26 | 1954-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-25 | 1958-06-26 | 1958-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-25 | 1962-06-26 | 1962-12-26 | $7700.00 | Window Closed / Lapsed |