US3397750A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ice trimming device
Assignee: Individual
•
Filing: 1965-12-13
•
Granted: 1968-08-20
•
Expires: 1985-12-13
Abstract
No abstract record available.
Inventors
- 👤 Roy C Wicklund
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:46
CPC Classifications
A; A01; A01K; A01K97/00; A01K97/01; E; E21; E21B; E21B11/00; E21B11/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US469290A
Cited
US537729A
Cited
US554492A
Cited
US1498463A
Cited
US1970063A
Cited
US2194706A
Cited
US3299970A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-20 | 1972-02-19 | 1972-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-20 | 1976-02-19 | 1976-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-20 | 1980-02-19 | 1980-08-20 | $7700.00 | Window Closed / Lapsed |