US2772492A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Retainer pins for dipper teeth
Assignee: American Brake Shoe Co
•
Filing: 1953-02-12
•
Granted: 1956-12-04
•
Expires: 1973-02-12
Abstract
No abstract record available.
Inventors
- 👤 Joseph P Murtaugh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:55
CPC Classifications
E; E02; E02F; E02F9/00; E02F9/28; E02F9/2808; E02F9/2816; E02F9/2833; E02F9/2841
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1816710A
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US2229267A
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US2259456A
Cited
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US2568075A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-04 | 1960-06-04 | 1960-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-04 | 1964-06-04 | 1964-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-04 | 1968-06-04 | 1968-12-04 | $7700.00 | Window Closed / Lapsed |