Patent US3222771A successfully refreshed from Google Patents.
US3222771A
Expired / Lapsed
US
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Method of securing objects together by magnetic deformation
Assignee: Individual
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Filing: 1965-02-16
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Granted: 1965-12-14
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Expires: 1985-02-16
Abstract
No abstract record available.
Inventors
- 👤 Robert J Schwinghamer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:46
CPC Classifications
B; B23; B23P; B23P11/00; B23P11/005; B21; B21D; B21D26/00; B21D26/14; F; F16; F16B; F16B19/00; F16B19/04; F16B19/05; F16B2019/055; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49805; Y10T29/49826; Y10T29/49908; Y10T29/49925; Y10T29/49927; Y10T29/49929; Y10T29/49936
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
THE METHOD OF SECURING OBJECTS TOGETHER; A COMPRISING: (A) INSERTING A FASTENER SHAFT THROUGH SAID OBJECTS TO AS TO PROJECT THEREFROM; (B) A PLACING A RING NUT ABOUT SAID PROJECTING SHAFT, SAID RING NUT BEING MADE OF A MATERAIL WHICH CAN BE DEFORMED BY AN INSTANTANEOUS MAGNETIC FIELD; (C) A PRODUCING A MAGNETOMOTIVE FORCE THROUGH SAID DEFORMABLE RING NUT OF SUFFICIENT STRENGTH TO CONTRACT SAID RING NUT ABOUT SAID PROJECTING SHAFT, THEREBY PREVENTING THE WITHDRAWAL OF SAID SHAFT THROUGH SAID OBJECTS.
Claim 2
Independent Claim
81 words
THE METHOD OF SECURING OBJECTS TOGETHER; A COMPRISING: (A) INSERTING A FASTENER SHAFT THROUGH SAID OBJECTS TO AS TO PROJECT THEREFROM; (B) A PLACING A RING NUT ABOUT SAID PROJECTING SHAFT, SAID RING NUT BEING MADE OF A MATERAIL WHICH CAN BE DEFORMED BY AN INSTANTANEOUS MAGNETIC FIELD; (C) A PRODUCING A MAGNETOMOTIVE FORCE THROUGH SAID DEFORMABLE RING NUT OF SUFFICIENT STRENGTH TO CONTRACT SAID RING NUT ABOUT SAID PROJECTING SHAFT, THEREBY PREVENTING THE WITHDRAWAL OF SAID SHAFT THROUGH SAID OBJECTS.
References Cited (Backward Citations)
US2976907A
Cited
US3126937A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |