Patent US3417546A successfully refreshed from Google Patents.
Patent US3206024A successfully refreshed from Google Patents.
US3206024A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sizing and grading machine
Assignee: TEW Manufacturing CORP
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Filing: 1962-04-18
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Granted: 1965-09-14
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Expires: 1982-04-18
Abstract
No abstract record available.
Inventors
- 👤 William T Blake
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:14
CPC Classifications
B; B07; B07B; B07B13/00; B07B13/04; B07B13/075
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
A MACHINE FOR SIZING AND GRADING AGRICULTURAL PRODUCTS COMPRISING AN ELONGATED SUPPORTING FRAME, A CONTINUOUS CARRIER CHAIN EXTENDING LONGITUDINALLY ON EACH SIDE OF SAID FRAME, MEANS FOR SYNCHRONOUSLY DRIVING SAID CHAINS, A PLURALITY OF SPACED PARALLEL TRANSVERSELY EXTENDING ELEMENTS CONNECTING SAID CHAINS AND EACH HAVING ITS ENDS ROCKABLY SUPPORTED THERIN RESPECTIVELY, A PLURALITY OF SPACED FINGERS MOUNTED AT ONE END ON EACH OF SAID ELEMENTS AND TRAILING THEREFROM IN ALIGNMENT WITH ONE ANOTHER ON ADJACENT ELEMENTS, SAID FINGERS HAVING ROUNDED LEADING ENDS AND UPPER SURFACES TO PROVIDE FOUR-POINT CONTACT WITH PRODUCTS CONTACTING ADJACENT FINGERS ON ADJACENT ELEMENTS, AND MEANS FOR SUCCESSIVELY ROCKING SAID ELEMENTS AT SPACED POINTS IN THE TRAVEL OF SAID DRIVEN CHAINS TO PROGRESSIVELY VARY THE SPACES BETWEEN SAID ADJACENT FINGERS AND DISCHARGE AND SEPARATE SAID PRODUCTS ACCORDING TO SIZE.
Claim 2
Dependent Claim
132 words
A MACHINE FOR SIZING AND GRADING AGRICULTURAL PRODUCTS COMPRISING AN ELONGATED SUPPORTING FRAME, A CONTINUOUS CARRIER CHAIN EXTENDING LONGITUDINALLY ON EACH SIDE OF SAID FRAME, MEANS FOR SYNCHRONOUSLY DRIVING SAID CHAINS, A PLURALITY OF SPACED PARALLEL TRANSVERSELY EXTENDING ELEMENTS CONNECTING SAID CHAINS AND EACH HAVING ITS ENDS ROCKABLY SUPPORTED THERIN RESPECTIVELY, A PLURALITY OF SPACED FINGERS MOUNTED AT ONE END ON EACH OF SAID ELEMENTS AND TRAILING THEREFROM IN ALIGNMENT WITH ONE ANOTHER ON ADJACENT ELEMENTS, SAID FINGERS HAVING ROUNDED LEADING ENDS AND UPPER SURFACES TO PROVIDE FOUR-POINT CONTACT WITH PRODUCTS CONTACTING ADJACENT FINGERS ON ADJACENT ELEMENTS, AND MEANS FOR SUCCESSIVELY ROCKING SAID ELEMENTS AT SPACED POINTS IN THE TRAVEL OF SAID DRIVEN CHAINS TO PROGRESSIVELY VARY THE SPACES BETWEEN SAID ADJACENT FINGERS AND DISCHARGE AND SEPARATE SAID PRODUCTS ACCORDING TO SIZE.
References Cited (Backward Citations)
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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) | 1968-09-13 | 1969-03-15 | 1969-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-13 | 1973-03-15 | 1973-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-13 | 1977-03-15 | 1977-09-14 | $7700.00 | Window Closed / Lapsed |