Patent US3179344A successfully refreshed from Google Patents.
US3179344A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hammers
Assignee: American Brake Shoe Co
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Filing: 1962-06-14
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Granted: 1965-04-20
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Expires: 1982-06-14
Abstract
No abstract record available.
Inventors
- 👤 George H Morel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:29
CPC Classifications
B; B02; B02C; B02C13/00; B02C13/26; B02C13/28
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
133 words
A REPLACEABLE TIP FOR A PART HAMMER TO BE USED IN A HAMMER MILL AND COMPRISING A BODY PORTION PRESENTING AN IMPACTING FACE NORMALLY DISPOSED GENERALLY IN A VERTICAL PLANE, AND A LOWER FACE GENERALLY IN A PLANE NORMAL TO THE FIRST-NAMED FACE, SECOND BODY PORTION BEING FORMED WITH A RELATIVELY LARGE RECESS EXTENDING DOWNWARDLY THEREIN FROM THE TOP OF THE TIP, SAID RECESS ALSO OPENING AT ONE SIDE OF THE TIP, SAID TIP BEING FORMED WITH A SOCKET WITHIN SAID RECESS ADAPTED TO RECEIVE A LOCKING DETENT CARRIED BY THE SHANK OF THE HAMMER, AND SAID TIP BEING FORMED WITH AN APERTURE WHICH EXTENDS UPWARDLY FROM THE LOWER FACE OF THE TIP TO COMMUNICATE WITH SAID SOCKET TO ENABLE A PIN OR LIKE TOOL TO BE ENTERED THEREIN TO RELEASE THE DETENT.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-19 | 1968-10-19 | 1969-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-19 | 1972-10-19 | 1973-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-19 | 1976-10-19 | 1977-04-20 | $7700.00 | Window Closed / Lapsed |