Patent US3199611A successfully refreshed from Google Patents.
US3199611A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tool mounting
Assignee: Joy Manufacturing Co
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Filing: 1961-08-28
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Granted: 1965-08-10
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Expires: 1981-08-28
Abstract
No abstract record available.
Inventors
- 👤 Neal W Densmore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:17
CPC Classifications
E; E21; E21D; E21D20/00; E21D20/003
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
A TOOL MOUNTING FOR A MINE ROOF DRILING APPARATUS COMPRISING, A CRAWLER PROPELLED SUPPORT MOVABLE OVER A SURFACE, MEANS SECURED TO SAID PROPELLED SUPPORT FOR SLIDBALY SUPPORTING AND ORBITALLY GUIDING ENDLESS FLEXIBLE CRAWLER TREADS FOR PROPELLING SAID SUPPORT, TOOL SUPPORT MEANS CONNECTED TO SAID TREADS, DRILLING MEANS SECURED TO SAID TOOL SUPPORT MEANS WHEREIN SAID TOOL SUPPORT MEANS POSITIONS SAID DRILLING MEANS IN CONSTANT ENGAGEMENT WITH SAID SURFACE FOR FORMING HOLES IN SUCH MINE ROOF, AND MEANS COOPERABLE AT LEAST WHEN ONE OF THE TREAD PLAES IS SURFACE ENGAGED FOR MAINTAINING SAID DRILLING MEANS STATIONARY WHEN SASID PROPELLED SUPPORT IS MOVING RELATIVE TO SUCH SURFACE.
Claim 2
Dependent Claim
105 words
A TOOL MOUNTING FOR A MINE ROOF DRILING APPARATUS COMPRISING, A CRAWLER PROPELLED SUPPORT MOVABLE OVER A SURFACE, MEANS SECURED TO SAID PROPELLED SUPPORT FOR SLIDBALY SUPPORTING AND ORBITALLY GUIDING ENDLESS FLEXIBLE CRAWLER TREADS FOR PROPELLING SAID SUPPORT, TOOL SUPPORT MEANS CONNECTED TO SAID TREADS, DRILLING MEANS SECURED TO SAID TOOL SUPPORT MEANS WHEREIN SAID TOOL SUPPORT MEANS POSITIONS SAID DRILLING MEANS IN CONSTANT ENGAGEMENT WITH SAID SURFACE FOR FORMING HOLES IN SUCH MINE ROOF, AND MEANS COOPERABLE AT LEAST WHEN ONE OF THE TREAD PLAES IS SURFACE ENGAGED FOR MAINTAINING SAID DRILLING MEANS STATIONARY WHEN SASID PROPELLED SUPPORT IS MOVING RELATIVE TO SUCH SURFACE.
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) | 1968-08-09 | 1969-02-08 | 1969-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-09 | 1973-02-08 | 1973-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-09 | 1977-02-08 | 1977-08-10 | $7700.00 | Window Closed / Lapsed |