US3256887A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rasp bar for a threshing cylinder
Assignee: Individual
•
Filing: 1964-01-30
•
Granted: 1966-06-21
•
Expires: 1984-01-30
Abstract
No abstract record available.
Inventors
- 👤 William S Ausherman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:52
CPC Classifications
A; A01; A01F; A01F12/00; A01F12/18; A01F12/22; A01F12/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
A THRESHING CYLINDER COMPRISING A PLURALITY OF ELONGATED, PARALLEL RASP BARS CIRCUMFERENTIALLY EQUALLY SPACED AND EQUIDISTANT FROM THE AXIS OF SUCH CYLINDER, SAID CYLINDER HAVING A FORWARD DIRECTION OF ROTATION, EACH OF SAID RASP BARS INCLUDING AN ELONGATED WEB HAVING AN OUTER SURFACE REMOTE FROM THE AXIS OF THE CYLINDER AND DISPOSED AT A GENERAL INCLINATION TO THE CIRCUMFERENCE OF THE CYLINDER WITH THE LEADING LATERAL EDGE OF THE WEB BEING CLOSER SPACED TO THE AXIS OF THE CYLINDER THAN IS THE TRAILING LATERAL EDGE OF THE WEB, A LONGITUDINALLY EXTENDING ROW OF TEETH ON THE WEB EXTENDING RADIALLY OUTWARD FROM THE AXIS OF THE CYLINDER, SAID TEETH BEING PARALLEL TO EACH OTHER AND EXTENDING TRANSVERSELY OF THE WEB, AND EACH OF SAID TEETH TERMINATING AT THEIR RADIALLY OUTERMOST EX-
Claim 2
Dependent Claim
130 words
A THRESHING CYLINDER COMPRISING A PLURALITY OF ELONGATED, PARALLEL RASP BARS CIRCUMFERENTIALLY EQUALLY SPACED AND EQUIDISTANT FROM THE AXIS OF SUCH CYLINDER, SAID CYLINDER HAVING A FORWARD DIRECTION OF ROTATION, EACH OF SAID RASP BARS INCLUDING AN ELONGATED WEB HAVING AN OUTER SURFACE REMOTE FROM THE AXIS OF THE CYLINDER AND DISPOSED AT A GENERAL INCLINATION TO THE CIRCUMFERENCE OF THE CYLINDER WITH THE LEADING LATERAL EDGE OF THE WEB BEING CLOSER SPACED TO THE AXIS OF THE CYLINDER THAN IS THE TRAILING LATERAL EDGE OF THE WEB, A LONGITUDINALLY EXTENDING ROW OF TEETH ON THE WEB EXTENDING RADIALLY OUTWARD FROM THE AXIS OF THE CYLINDER, SAID TEETH BEING PARALLEL TO EACH OTHER AND EXTENDING TRANSVERSELY OF THE WEB, AND EACH OF SAID TEETH TERMINATING AT THEIR RADIALLY OUTERMOST EX-
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) | 1969-06-20 | 1969-12-20 | 1970-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-20 | 1973-12-20 | 1974-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-20 | 1977-12-20 | 1978-06-21 | $7700.00 | Window Closed / Lapsed |