Patent US3380309A successfully refreshed from Google Patents.
US3380309A
Expired / Lapsed
US
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Mechanical linkage
Assignee: Dow Chemical Co
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Filing: 1966-03-21
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Granted: 1968-04-30
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Expires: 1986-03-21
Abstract
No abstract record available.
Inventors
- 👤 Douglas S Chisholm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:58
CPC Classifications
E; E04; E04G; E04G21/00; E04G21/14; E04G21/16; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20396; Y10T74/20402; Y10T74/2042; Y10T74/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
AN APPARATUS FOR THE MULTIPLICATION OF LINEAR MOTION COMPRISING A FRAME, THE FRAME HAVING A FIRST END, A SECOND END, A FIRST WHEEL DISPOSED ADJACENT THE FIRST END, A SECOND WHEEL DISPOSED ADJACENT THE SECOND END, A MOVABLE SUPPORT, FIRST AND SECOND MOVABLE WHEELS AFFIXED TO THE MOVABLE SUPPORT, THE MOVABLE SUPPORT BEING SLIDEABLY POSITIONABLE ALONG THE FRAME, A MOTION TRANSMITTING MEANS EXTENDING FROM A POINT ADJACENT THE FIRST END OF THE FRAME ABOUT THE FIRST MOVABLE WHEEL, FROM THE FIRST MOVABLE WHEEL TO THE FIRST WHEEL, ABOUT THE FIRST WHEEL, FROM THE FIRST WHEEL TO THE SECOND WHEEL, ABOUT THE SECOND WHEEL, FROM THE SECOND WHEEL TO THE SECOND MOVABLE WHEEL AND TO A LOCATION GENERALLY ADJACENT THE SECOND END OF THE FRAME.
Claim 2
Independent Claim
124 words
AN APPARATUS FOR THE MULTIPLICATION OF LINEAR MOTION COMPRISING A FRAME, THE FRAME HAVING A FIRST END, A SECOND END, A FIRST WHEEL DISPOSED ADJACENT THE FIRST END, A SECOND WHEEL DISPOSED ADJACENT THE SECOND END, A MOVABLE SUPPORT, FIRST AND SECOND MOVABLE WHEELS AFFIXED TO THE MOVABLE SUPPORT, THE MOVABLE SUPPORT BEING SLIDEABLY POSITIONABLE ALONG THE FRAME, A MOTION TRANSMITTING MEANS EXTENDING FROM A POINT ADJACENT THE FIRST END OF THE FRAME ABOUT THE FIRST MOVABLE WHEEL, FROM THE FIRST MOVABLE WHEEL TO THE FIRST WHEEL, ABOUT THE FIRST WHEEL, FROM THE FIRST WHEEL TO THE SECOND WHEEL, ABOUT THE SECOND WHEEL, FROM THE SECOND WHEEL TO THE SECOND MOVABLE WHEEL AND TO A LOCATION GENERALLY ADJACENT THE SECOND END OF THE FRAME.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-30 | 1971-10-30 | 1972-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-30 | 1975-10-30 | 1976-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-30 | 1979-10-30 | 1980-04-30 | $7700.00 | Window Closed / Lapsed |