Patent US3208448A successfully refreshed from Google Patents.
Patent US3142185A successfully refreshed from Google Patents.
US3142185A
Expired / Lapsed
US
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Piston stroke adjustment
Assignee: BOARD MACHINERY Co Inc T
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Filing: 1962-06-06
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Granted: 1964-07-28
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Expires: 1982-06-06
Abstract
No abstract record available.
Inventors
- 👤 William L Knowles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:56
CPC Classifications
D; D21; D21J; D21J3/00; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18208; Y10T74/20; Y10T74/20576; Y10T74/20582; Y10T74/20588
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A SYSTEM FOR DRIVING A BLOCK WITH PROGRESSIVELY INCREASING FORCE REPETITIVELY FROM THE SAME RETURN POINT TO AN END POINT WHICH IS SELECTIVELY VARIABLE WHICH COMPRISES: (A) A FRAME FOR SUPPORTING SAID BLOCK FOR LINEAR SLIDING MOVEMENT AWAY FROM SAID RETURN POINT; (B) A FIRST LINK HAVING ONE END PIVOTALLY SECURED TO SAID BLOCK; (C) A CRANKSHAFT JOURNALLED IN SAID FRAME; (D) A CONNECTING ROD HAVING ONE END JOURNALLED IN SAID CRANKSHAFT;
Claim 2
Independent Claim
72 words
A SYSTEM FOR DRIVING A BLOCK WITH PROGRESSIVELY INCREASING FORCE REPETITIVELY FROM THE SAME RETURN POINT TO AN END POINT WHICH IS SELECTIVELY VARIABLE WHICH COMPRISES: (A) A FRAME FOR SUPPORTING SAID BLOCK FOR LINEAR SLIDING MOVEMENT AWAY FROM SAID RETURN POINT; (B) A FIRST LINK HAVING ONE END PIVOTALLY SECURED TO SAID BLOCK; (C) A CRANKSHAFT JOURNALLED IN SAID FRAME; (D) A CONNECTING ROD HAVING ONE END JOURNALLED IN SAID CRANKSHAFT;
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) | 1967-07-28 | 1968-01-27 | 1968-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-28 | 1972-01-27 | 1972-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-28 | 1976-01-27 | 1976-07-28 | $7700.00 | Window Closed / Lapsed |