US3120915A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Edge preparation machine and method
Assignee: North American Aviation Corp
•
Filing: 1960-06-20
•
Granted: 1964-02-11
•
Expires: 1980-06-20
Abstract
No abstract record available.
Inventors
- 👤 Horn Rudolph
- 👤 Kennison L Vowell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:40
CPC Classifications
B; B23; B23D; B23D19/00; B23D19/08; Y; Y10; Y10T; Y10T225/00; Y10T225/10; Y10T225/30; Y10T225/371; Y10T83/00; Y10T83/748; Y10T83/7487; Y10T83/768; Y10T83/7755; Y10T83/7763; Y10T83/7776; Y10T83/778
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
IN APPARATUS FOR TRIMMING A WORKPIECE BY SEVERING A PORTION THEREFROM; SUPPORT MEANS FOR SUPPORTING THE WORKPIECE DURING TRIMMING THEREOF, MOVABLE SEVERANCE MEANS MOVABLE ALONG A PREDETERMINED PATH FOR PROGRESSIVELY APPLYING A SHEAR LOAD ON AN AREA OF SAID WORKPIECE SURFACE CONTACTED BY SAID MOVABLE SEVERANCE MEANS, AND STATIONARY SEVERANCE MEANS FOR IMPOSING THE REACTION LOAD FROM SAID SHEAR LOAD ON AN AREA OF SAID WORKPIECE SURFACE LATERALLY DISPLACED FROM AN IN CLOSE JUXTAPOSITION TO SAID AREA OF SHEAR LOAD, SO THAT SAID WORKPIECE FAILS IN SHEAR IN A PLANE OF SEVERANCE PARALLEL TO SAID PATH, INTERMEDIATE THE BOUNDARIES OF SAID AREAS OF SHEAR AND REACTION LOADS, AND SUBSTANTIALLY PERPENDICULAR TO SAID SURFACES UPON WHICH BOTH SAID LOADS ARE APPLIED.
Claim 2
Dependent Claim
120 words
IN APPARATUS FOR TRIMMING A WORKPIECE BY SEVERING A PORTION THEREFROM; SUPPORT MEANS FOR SUPPORTING THE WORKPIECE DURING TRIMMING THEREOF, MOVABLE SEVERANCE MEANS MOVABLE ALONG A PREDETERMINED PATH FOR PROGRESSIVELY APPLYING A SHEAR LOAD ON AN AREA OF SAID WORKPIECE SURFACE CONTACTED BY SAID MOVABLE SEVERANCE MEANS, AND STATIONARY SEVERANCE MEANS FOR IMPOSING THE REACTION LOAD FROM SAID SHEAR LOAD ON AN AREA OF SAID WORKPIECE SURFACE LATERALLY DISPLACED FROM AN IN CLOSE JUXTAPOSITION TO SAID AREA OF SHEAR LOAD, SO THAT SAID WORKPIECE FAILS IN SHEAR IN A PLANE OF SEVERANCE PARALLEL TO SAID PATH, INTERMEDIATE THE BOUNDARIES OF SAID AREAS OF SHEAR AND REACTION LOADS, AND SUBSTANTIALLY PERPENDICULAR TO SAID SURFACES UPON WHICH BOTH SAID LOADS ARE APPLIED.
References Cited (Backward Citations)
US9978A
Cited
US16334A
Cited
US40034A
Cited
US1812406A
Cited
US2152165A
Cited
US2384284A
Cited
US2594819A
Cited
US2854733A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-02-10 | 1967-08-12 | 1968-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-10 | 1971-08-12 | 1972-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-10 | 1975-08-12 | 1976-02-11 | $7700.00 | Window Closed / Lapsed |