US3126708A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Karl-theodor jasper
Assignee: —
•
Filing: —
•
Granted: 1964-03-31
•
Expires: 1981-03-31
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:48
CPC Classifications
E; E21; E21D; E21D11/00; E21D11/14; E21D11/18; E21D11/183; E21D11/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
A COMPOUND STRUCTURE FOR SUPPORTING THE INNER SURFACES OF MINE GALLERIES COMPRISING A PLURALITY OF COMPOUND ELEMENTS, EACH OF SAID ELEMENTS COMPOSED OF A PAIR OF RELATIVELY CLOSELY SPACED ELONGATE SECTIONS, TRANSVERSE MEMBERS INTERCONNECTING OPPOSED SECTIONS OF EACH OF SAID ELEMENTS TO FORM AN OPEN LATTICE CONSTRUCTION, SAID TRANSVERSE MEMBERS HAVING PORTIONS EXTENDING OUTWARDLY OF SAID SECTIONS, THE ENDS OF SAID SPACED SECTIONS OF EACH OF SAID COMPOUND ELEMENTS BEING NESTABLY INTERCONNECTED WITH ADJACENT ENDS OF THE SECTIONS OF AT LEAST ONE ADJACENT COMPOUND ELEMENT AND FORMING AN ARCHED SUPPORT, AND MEANS CLAMPING SAID ENDS IN YIELDABLE RELATION TO ONE ANOTHER TO FORM A SUPPORT OVER A TRANSVERSE AREA OF THE INNER SURFACE OF A MINE GALLERY.
Claim 2
Dependent Claim
117 words
A COMPOUND STRUCTURE FOR SUPPORTING THE INNER SURFACES OF MINE GALLERIES COMPRISING A PLURALITY OF COMPOUND ELEMENTS, EACH OF SAID ELEMENTS COMPOSED OF A PAIR OF RELATIVELY CLOSELY SPACED ELONGATE SECTIONS, TRANSVERSE MEMBERS INTERCONNECTING OPPOSED SECTIONS OF EACH OF SAID ELEMENTS TO FORM AN OPEN LATTICE CONSTRUCTION, SAID TRANSVERSE MEMBERS HAVING PORTIONS EXTENDING OUTWARDLY OF SAID SECTIONS, THE ENDS OF SAID SPACED SECTIONS OF EACH OF SAID COMPOUND ELEMENTS BEING NESTABLY INTERCONNECTED WITH ADJACENT ENDS OF THE SECTIONS OF AT LEAST ONE ADJACENT COMPOUND ELEMENT AND FORMING AN ARCHED SUPPORT, AND MEANS CLAMPING SAID ENDS IN YIELDABLE RELATION TO ONE ANOTHER TO FORM A SUPPORT OVER A TRANSVERSE AREA OF THE INNER SURFACE OF A MINE GALLERY.
References Cited (Backward Citations)
DE636450C
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DE572111C
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BE517996A
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US973654A
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FR802413A
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US2713774A
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DE829141C
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FR1042997A
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DE955672C
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FR1171854A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-31 | 1967-09-30 | 1968-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-31 | 1971-09-30 | 1972-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-31 | 1975-09-30 | 1976-03-31 | $7700.00 | Window Closed / Lapsed |