US2893140A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Finish leveler
Assignee: GURRIES Manufacturing CO
•
Filing: 1955-11-18
•
Granted: 1959-07-07
•
Expires: 1975-11-18
Abstract
No abstract record available.
Inventors
- 👤 Raymond A Gurries
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:29
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/76; E02F3/7663; E02F3/7672; E02F3/80; E02F3/84; E02F3/841
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2464227A
Cited
US2732640A
Cited
US1928778A
Cited
US2208526A
Cited
US2444977A
Cited
US2650441A
Cited
US2720716A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-06 | 1963-01-05 | 1963-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-06 | 1967-01-05 | 1967-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-06 | 1971-01-05 | 1971-07-07 | $7700.00 | Window Closed / Lapsed |