Patent US3102325A successfully refreshed from Google Patents.
US3102325A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rasp blade construction
Assignee: Individual
•
Filing: 1960-01-11
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Granted: 1963-09-03
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Expires: 1980-01-11
Abstract
No abstract record available.
Inventors
- 👤 George T Hemmeter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:33
CPC Classifications
B; B23; B23D; B23D71/00; B23D71/02; B23D71/025; Y; Y10; Y10T; Y10T407/00; Y10T407/18; Y10T407/181
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
A RASP BLADE CONSTRUCTION COMPRISING A PAIR OF LIKE FLAT BLANDS EACH IN THE SHAPE OF A SEGMENT OF AN ANNULUS, INTEGRAL TEETH OF A PREDETERMINED PITCH PROJECTING FROM THE OUTER PERIPHERY OF EACH SAID BLANK AND DISPOSED TO COINCIDE WITH A CONICAL SURFACE, MEANS DEFINING A MOUNTING APERTURE IN EACH SAID BLANK, THE RADIUS OF THE SEGMENT THROUGH THE CENTER OF SAID APERTURE BEING DISPLACED FROM THE APEX OF AN ADJACENT TOOTH BY ONE-FOURTH OF SAID PREDETERMINED PITCH, AND MEANS SECURING SAID BLANKS TOGETHER IN BACK-TO-BACK RELATIONSHIP WITH THE RESPECTIVE APERTURES THEREOF IN ALIGNMENT TO THEREBY PROVIDE A STAGGERED TOOTH ARRAY IN WHICH THE TEETH OF THE RESPECTIVE BLANKS ARE EVENLY INTERSPERSED.
Claim 2
Dependent Claim
113 words
A RASP BLADE CONSTRUCTION COMPRISING A PAIR OF LIKE FLAT BLANDS EACH IN THE SHAPE OF A SEGMENT OF AN ANNULUS, INTEGRAL TEETH OF A PREDETERMINED PITCH PROJECTING FROM THE OUTER PERIPHERY OF EACH SAID BLANK AND DISPOSED TO COINCIDE WITH A CONICAL SURFACE, MEANS DEFINING A MOUNTING APERTURE IN EACH SAID BLANK, THE RADIUS OF THE SEGMENT THROUGH THE CENTER OF SAID APERTURE BEING DISPLACED FROM THE APEX OF AN ADJACENT TOOTH BY ONE-FOURTH OF SAID PREDETERMINED PITCH, AND MEANS SECURING SAID BLANKS TOGETHER IN BACK-TO-BACK RELATIONSHIP WITH THE RESPECTIVE APERTURES THEREOF IN ALIGNMENT TO THEREBY PROVIDE A STAGGERED TOOTH ARRAY IN WHICH THE TEETH OF THE RESPECTIVE BLANKS ARE EVENLY INTERSPERSED.
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) | 1966-09-02 | 1967-03-04 | 1967-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-02 | 1971-03-04 | 1971-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-02 | 1975-03-04 | 1975-09-03 | $7700.00 | Window Closed / Lapsed |