Patent US3170374A successfully refreshed from Google Patents.
US3170374A
Expired / Lapsed
US
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Apparatus for producing lens patterns from spectacle frame lens openings
Assignee: WILLIAM T DUNLAP
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Filing: 1962-04-26
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Granted: 1965-02-23
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Expires: 1982-04-26
Abstract
No abstract record available.
Inventors
- 👤 Clar Milton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:24
CPC Classifications
B; B24; B24B; B24B9/00; B24B9/02; B24B9/06; B24B9/08; B24B9/14; B24B9/144; B23; B23Q; B23Q1/00; B23Q1/25; B23Q1/44; B23Q1/50; B23Q1/54; B23Q1/5468; B23Q35/00; B23Q35/04; B23Q35/08; B23Q35/10; B23Q35/101; B23Q35/102; B23Q35/103; B29; B29D; B29D11/00; B29D11/00932; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/30084; Y10T409/30112; Y10T409/301176; Y10T409/301624; Y10T409/30168; Y10T409/30224; Y10T82/00; Y10T82/14; Y10T82/141
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
AN APPARATUS FOR AUTOMATICALLY MACHINING AN ELEMENT TO CONFORM TO A PERFOMED FRAME, SAID APPARATUS COMPRISING A FIXED UNIT AND A MOVABLE UNIT RELATIVELY MOVABLE WITH RESPECT TO SAID FIXED UNIT, ONE OF SAID UNITS INCLUDING SPACED ALIGNED HOLDERS INCLUDING A FRAME HOLDER AND AN ELEMENT HOLDER, AND MEANS MOUNTING AND DRIVING SAID HOLDERS FOR SIMULTANEOUS ROTATION ABOUT A COMMON AXIS, THE OTHER OF SAID UNITS INCLUDING A FOLLOWER FOR ENGAGEMENT WITH THE INTERIOR SURFACE OF A FRAME CARRIED BY SAID FRAME HOLDER, AND A MACHINE TOOL COMPONENT FOR MACHINING AN ELEMENT CARRIED BY SAID ELEMENT HOLDER, SAID FOLLOWR AND SAID MACHINE TOOL COMPONENT BEING SPACED APART AND ALIGNED WITH SAID FRAME HOLDER AND SAID ELEMENT HOLDER, RESPECTIVELY.
Claim 2
Independent Claim
118 words
AN APPARATUS FOR AUTOMATICALLY MACHINING AN ELEMENT TO CONFORM TO A PERFOMED FRAME, SAID APPARATUS COMPRISING A FIXED UNIT AND A MOVABLE UNIT RELATIVELY MOVABLE WITH RESPECT TO SAID FIXED UNIT, ONE OF SAID UNITS INCLUDING SPACED ALIGNED HOLDERS INCLUDING A FRAME HOLDER AND AN ELEMENT HOLDER, AND MEANS MOUNTING AND DRIVING SAID HOLDERS FOR SIMULTANEOUS ROTATION ABOUT A COMMON AXIS, THE OTHER OF SAID UNITS INCLUDING A FOLLOWER FOR ENGAGEMENT WITH THE INTERIOR SURFACE OF A FRAME CARRIED BY SAID FRAME HOLDER, AND A MACHINE TOOL COMPONENT FOR MACHINING AN ELEMENT CARRIED BY SAID ELEMENT HOLDER, SAID FOLLOWR AND SAID MACHINE TOOL COMPONENT BEING SPACED APART AND ALIGNED WITH SAID FRAME HOLDER AND SAID ELEMENT HOLDER, RESPECTIVELY.
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) | 1968-02-23 | 1968-08-24 | 1969-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-23 | 1972-08-24 | 1973-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-23 | 1976-08-24 | 1977-02-23 | $7700.00 | Window Closed / Lapsed |