US2822628A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tractor scraper blade adjustment assemblage
Assignee: ARPS CORP
•
Filing: 1955-07-25
•
Granted: 1958-02-11
•
Expires: 1975-07-25
Abstract
No abstract record available.
Inventors
- 👤 Bruno F Arps
- 👤 Calvin O Schmahl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:37
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/76; E02F3/7622; E02F3/7627; E02F3/7631
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2732639A
Cited
US1540161A
Cited
US2560711A
Cited
US2710467A
Cited
US2723472A
Cited
US2740214A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-10 | 1961-08-12 | 1962-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-10 | 1965-08-12 | 1966-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-10 | 1969-08-12 | 1970-02-11 | $7700.00 | Window Closed / Lapsed |