Patent US2941824A successfully refreshed from Google Patents.
US2941824A
Expired / Lapsed
US
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Dust guards
Assignee: American Brake Shoe Co
•
Filing: 1956-12-24
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Granted: 1960-06-21
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Expires: 1976-12-24
Abstract
No abstract record available.
Inventors
- 👤 Llewellyn E Hoyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:40
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/72; F16C33/74; B; B61; B61F; B61F15/00; B61F15/20; B61F15/22; F16C2326/00; F16C2326/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2159825A
Cited
US2257119A
Cited
US2152937A
Cited
US2598381A
Cited
US2798746A
Cited
US2837355A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-21 | 1963-12-21 | 1964-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-21 | 1967-12-21 | 1968-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-21 | 1971-12-21 | 1972-06-21 | $7700.00 | Window Closed / Lapsed |