US3373988A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Removable beam seat
Assignee: MICHAEL J MCKELVEY
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Filing: 1965-09-22
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Granted: 1968-03-19
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Expires: 1985-09-22
Abstract
No abstract record available.
Inventors
- 👤 Michael J Mckelvey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:59
CPC Classifications
B; B23; B23K; B23K37/00; B23K37/04; Y; Y10; Y10S; Y10S269/00; Y10S269/904
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
214 words
A REMOVABLE BEAM SEAT FOR TEMPORARILY SUPPORTING A HORIZONTAL BEAM IN POSITION REALTIVE TO A VERTICAL COLUMN COMPRISING: (A) A FIRST LEVER; (B) A SECOND LEVER IDENTICAL IN SIZE AND SHAPE TO SAID FIRST LEVER, SAID LEVERS ADAPTED TO BE POSITIONED ON EITHER SIDE OF SAID VERTICAL COLUMN; (C) A FULCRUM BAR FIXED TO SAID FIRST LEVER NEAR THE CENTER THEREOF AND EXTENDING PERPENDICULARLY THERETO; (D) A SEAT BAR FIXED TO SAID SECOND LEVER NEAR ONE END THEREOF AND EXTENDING PERPENDICULARLY THERETO; (E) SECURING MEANS ASSOCIATED WITH SAID FULCRUM BAR AND SAID SECOND LEVER FOR CLAMPING SAID FIRST AND SECOND LEVERS TO EACH OTHER SECURELY ABOUT SAID VERTICAL COLUMN; (F) ADJUSTMENT MEANS FIXED TO THE END OF EACH OF SAID FIRST AND SECOND LEVERS REMOTE FROM SAID ONE END AND OPERABLE TO CONTACT SAID VERTICAL COLUMN AND VARY THE EFFECTIVE DISTANCE BETWEEN THE END OF EACH OF SAID LEVERS AND SAID FULCRUM BAR WHEN SAID BEAM SEAT IS CLAMPED UPON SAID VERTICAL COLUMN; (G) SAID FIRST AND SECOND LEVERS, SAID FULCRUM BAR AND SAID ADJUSTMENT MEANS EACH BEING IN FIRM CONTACT WITH SAID VERTICAL COLUMN AND SAID SEAT BAR BEING SUPPORTED HORIZONTALLY BY SAID LEVERS AT A SPACED DISTANCE FROM SAID VERTICAL COLUMN WHEN SAID BEAM SEAT IS IN POSITION ON SAID VERTICAL COLUMN.
Claim 2
Dependent Claim
214 words
A REMOVABLE BEAM SEAT FOR TEMPORARILY SUPPORTING A HORIZONTAL BEAM IN POSITION REALTIVE TO A VERTICAL COLUMN COMPRISING: (A) A FIRST LEVER; (B) A SECOND LEVER IDENTICAL IN SIZE AND SHAPE TO SAID FIRST LEVER, SAID LEVERS ADAPTED TO BE POSITIONED ON EITHER SIDE OF SAID VERTICAL COLUMN; (C) A FULCRUM BAR FIXED TO SAID FIRST LEVER NEAR THE CENTER THEREOF AND EXTENDING PERPENDICULARLY THERETO; (D) A SEAT BAR FIXED TO SAID SECOND LEVER NEAR ONE END THEREOF AND EXTENDING PERPENDICULARLY THERETO; (E) SECURING MEANS ASSOCIATED WITH SAID FULCRUM BAR AND SAID SECOND LEVER FOR CLAMPING SAID FIRST AND SECOND LEVERS TO EACH OTHER SECURELY ABOUT SAID VERTICAL COLUMN; (F) ADJUSTMENT MEANS FIXED TO THE END OF EACH OF SAID FIRST AND SECOND LEVERS REMOTE FROM SAID ONE END AND OPERABLE TO CONTACT SAID VERTICAL COLUMN AND VARY THE EFFECTIVE DISTANCE BETWEEN THE END OF EACH OF SAID LEVERS AND SAID FULCRUM BAR WHEN SAID BEAM SEAT IS CLAMPED UPON SAID VERTICAL COLUMN; (G) SAID FIRST AND SECOND LEVERS, SAID FULCRUM BAR AND SAID ADJUSTMENT MEANS EACH BEING IN FIRM CONTACT WITH SAID VERTICAL COLUMN AND SAID SEAT BAR BEING SUPPORTED HORIZONTALLY BY SAID LEVERS AT A SPACED DISTANCE FROM SAID VERTICAL COLUMN WHEN SAID BEAM SEAT IS IN POSITION ON SAID VERTICAL COLUMN.
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) | 1971-03-19 | 1971-09-18 | 1972-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-19 | 1975-09-18 | 1976-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-19 | 1979-09-18 | 1980-03-19 | $7700.00 | Window Closed / Lapsed |