US2629945A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Excavating shovel digging teeth arrangement
Assignee: Individual
•
Filing: 1949-01-27
•
Granted: 1953-03-03
•
Expires: 1969-01-27
Abstract
No abstract record available.
Inventors
- 👤 Daniel F Przybylski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:08
CPC Classifications
E; E02; E02F; E02F9/00; E02F9/28; E02F9/2866
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE458572C
Cited
US1199366A
Cited
US1217752A
Cited
FR660446A
Cited
US1959847A
Cited
GB553954A
Cited
US2377802A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-02 | 1956-09-01 | 1957-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-02 | 1960-09-01 | 1961-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-02 | 1964-09-01 | 1965-03-03 | $7700.00 | Window Closed / Lapsed |