Patent US3354549A successfully refreshed from Google Patents.
US3354549A
Expired / Lapsed
US
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Apparatus for transferring a mark from one horizontal plane to another
Assignee: GERSON ELECTRIC CONSTRUCTION CO
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Filing: 1965-03-29
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Granted: 1967-11-28
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Expires: 1985-03-29
Abstract
No abstract record available.
Inventors
- 👤 Fisher William Jennings
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:42
CPC Classifications
B; B25; B25H; B25H7/00; B25H7/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
AN APPARATUS FOR MARKING AN ELEVATED SURFACE ABOVE THE APPARATUS AT A LOCATION SUBSTANTIALLY DIRECTLY ABOVE A MARK ON A FLOOR COMPRISING: (A) A TRIPOD; (B) A BASE HAVING AN OPENING, MOUNTED ON SAID TRIPOD, SAID BASE HAVING PARALLEL SPACED FIRST GUIDE MEANS; (C) A FIRST PLATE HAVING AN OPENING POSITIONED ABOVE SAID BASE OPENING AND SUPPORTED BY SAID BASE, SAID FIRST PLATE BEING SLIDABLE BETWEEN SAID FIRST GUIDE MEANS AND HAVING PARALLEL SPACED SECOND GUIDE MEANS POSITIONED 90* WITH RESPECT TO SAID FIRST GUIDE MEANS; (D) A SECOND PLATE HAVING AN OPENING POSITIONED ABOVE SAID BASE OPENING AND SUPPORTED BY SAID BASE, SAID SECOND PLATE BEING SLIDABLE BETWEEN SAID SECOND GUIDE MEANS; (E) GIMBAL MEANS SUPPORTED BY SAID SECOND SLIDABLE PLATE AND POSITIONED ABOVE SAID BASE OPENING; (F ) A PENDULUM SUPPORTED BY SAID GIMBAL MEANS AT ONE END AND DEPENDING DOWNWARDLY THROUGH SAID OPENINGS, THE FREE END OF SAID PENDULUM BEING IN CLOSE PROXIMITY TO THE FLOOR;
Claim 2
Independent Claim
159 words
AN APPARATUS FOR MARKING AN ELEVATED SURFACE ABOVE THE APPARATUS AT A LOCATION SUBSTANTIALLY DIRECTLY ABOVE A MARK ON A FLOOR COMPRISING: (A) A TRIPOD; (B) A BASE HAVING AN OPENING, MOUNTED ON SAID TRIPOD, SAID BASE HAVING PARALLEL SPACED FIRST GUIDE MEANS; (C) A FIRST PLATE HAVING AN OPENING POSITIONED ABOVE SAID BASE OPENING AND SUPPORTED BY SAID BASE, SAID FIRST PLATE BEING SLIDABLE BETWEEN SAID FIRST GUIDE MEANS AND HAVING PARALLEL SPACED SECOND GUIDE MEANS POSITIONED 90* WITH RESPECT TO SAID FIRST GUIDE MEANS; (D) A SECOND PLATE HAVING AN OPENING POSITIONED ABOVE SAID BASE OPENING AND SUPPORTED BY SAID BASE, SAID SECOND PLATE BEING SLIDABLE BETWEEN SAID SECOND GUIDE MEANS; (E) GIMBAL MEANS SUPPORTED BY SAID SECOND SLIDABLE PLATE AND POSITIONED ABOVE SAID BASE OPENING; (F ) A PENDULUM SUPPORTED BY SAID GIMBAL MEANS AT ONE END AND DEPENDING DOWNWARDLY THROUGH SAID OPENINGS, THE FREE END OF SAID PENDULUM BEING IN CLOSE PROXIMITY TO THE FLOOR;
References Cited (Backward Citations)
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US2723656A
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US2835975A
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US2916827A
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US3162957A
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US3195234A
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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) | 1970-11-27 | 1971-05-29 | 1971-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-27 | 1975-05-29 | 1975-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-27 | 1979-05-29 | 1979-11-28 | $7700.00 | Window Closed / Lapsed |