US3100630A
Expired / Lapsed
US
⏱️ 0.0 years remaining
kqmmel
Assignee: —
•
Filing: —
•
Granted: 1963-08-13
•
Expires: 1980-08-13
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:31
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/96; E02F3/966; B; B25; B25D; B25D9/00; B25D9/04; B28; B28D; B28D1/00; B28D1/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
IN A ROCK BREAKER: A FRAME, ROCK BRAKING CHISEL MEANS RECIPROCABLY SUPPORTED BY SAID FRAME, RAM MEANS LIKEWISE SUPPORTED BY SAID FRAME AND OPERABLE TO EXERT AN IMPACT UPON SAID CHISEL MEANS, FIRST GUIDING MEANS MOUNTED ON SAID FRAME FOR GUIDING SAID CHISEL MEANS, SAID GUIDING MEANS INCLUDING A BUSHING GUIDINGLY SURROUNDING A PORTION OF SAID CHISEL MEANS, AND LATERALLY RESILIENT MEANS INTERPOSED BETWEEN SAID BUSHING AND THE ADJACENT PORTION OF SAID FRAME AND RESILIENT IN A DIRECTION TRANSVERSE TO THE LONGITUDINAL AXIS OF SAID BUSHING, AND SECOND GUIDING MEANS SUPPORTED BY SAID FRAME BUT SEPARATE FROM SAID FIRST GUIDING MEANS FOR GUIDING SAID RAM MEANS INDEPENDENTLY OF SAID CHISEL MEANS.
Claim 2
Dependent Claim
111 words
IN A ROCK BREAKER: A FRAME, ROCK BRAKING CHISEL MEANS RECIPROCABLY SUPPORTED BY SAID FRAME, RAM MEANS LIKEWISE SUPPORTED BY SAID FRAME AND OPERABLE TO EXERT AN IMPACT UPON SAID CHISEL MEANS, FIRST GUIDING MEANS MOUNTED ON SAID FRAME FOR GUIDING SAID CHISEL MEANS, SAID GUIDING MEANS INCLUDING A BUSHING GUIDINGLY SURROUNDING A PORTION OF SAID CHISEL MEANS, AND LATERALLY RESILIENT MEANS INTERPOSED BETWEEN SAID BUSHING AND THE ADJACENT PORTION OF SAID FRAME AND RESILIENT IN A DIRECTION TRANSVERSE TO THE LONGITUDINAL AXIS OF SAID BUSHING, AND SECOND GUIDING MEANS SUPPORTED BY SAID FRAME BUT SEPARATE FROM SAID FIRST GUIDING MEANS FOR GUIDING SAID RAM MEANS INDEPENDENTLY OF SAID CHISEL MEANS.
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) | 1966-08-12 | 1967-02-11 | 1967-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-12 | 1971-02-11 | 1971-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-12 | 1975-02-11 | 1975-08-13 | $7700.00 | Window Closed / Lapsed |