Patent US3849086A successfully refreshed from Google Patents.
US2985556A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of spectacle frames
Assignee: Rowland Products Inc
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Filing: 1959-03-12
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Granted: 1961-05-23
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Expires: 1979-03-12
Abstract
No abstract record available.
Inventors
- 👤 William P Rowland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:36
CPC Classifications
G; G02; G02C; G02C5/00; G02C5/008; B; B29; B29C; B29C48/00; B29C48/03; B29C48/06; B29C48/07; B29C48/08; B29C48/16; B29C48/17; B29C48/18; B29C48/21; B29C48/25; B29C48/30; B29C48/305; B29C48/307; B29C48/36; B29C48/49; B29D; B29D12/00; B29D12/02; B29C48/175; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1062; Y10T156/1066; Y10T156/1075
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
THE METHOD OF MAKING PLASTIC MATERIAL PARTS WHICH COMPRISES FORMING A LIGHT-TRANSMITTIBLE COMPOSITE RECTILINEAR STRIP HAVING SUBSTANTIAL RIGIDITY AT ORDINARY TEMPERATURES BY UNITING TO A RECTILINEARLY-SHAPED BASED LAYER OF LIGHT-TRANSMITTIBLE PLASTIC MATERIAL OF A GIVEN COLOR AND OF SUBSTANTIAL RIGIDITY AT ORDINARY TEMPERATURES, A SECOND LAYER OF A DIFFERENTLY COLORED LIGHTTRANSMITTIBLE PLASTIC MATERIAL HAVING AN AREA OF MAXIMUM THICKNESS AND DIMINISHING IN THICKNESS FROM SUCH AREA AND FOR A MAJOR PART OF THE WIDTH OF SUCH SECOND LAYER TOWARD A LONGITUDINAL EDGE THEREOF, AND CONTROLLING THE THICKNESS OF SAID LAYERS SO THAT THE RESULTING COMMITTING LIGHT, AND CUTTING SUCH COMPOSITE STRIP TO PRODUCE A PART HAVING A GRADIENT COLOR APPEARANCE.
Claim 2
Independent Claim
110 words
THE METHOD OF MAKING PLASTIC MATERIAL PARTS WHICH COMPRISES FORMING A LIGHT-TRANSMITTIBLE COMPOSITE RECTILINEAR STRIP HAVING SUBSTANTIAL RIGIDITY AT ORDINARY TEMPERATURES BY UNITING TO A RECTILINEARLY-SHAPED BASED LAYER OF LIGHT-TRANSMITTIBLE PLASTIC MATERIAL OF A GIVEN COLOR AND OF SUBSTANTIAL RIGIDITY AT ORDINARY TEMPERATURES, A SECOND LAYER OF A DIFFERENTLY COLORED LIGHTTRANSMITTIBLE PLASTIC MATERIAL HAVING AN AREA OF MAXIMUM THICKNESS AND DIMINISHING IN THICKNESS FROM SUCH AREA AND FOR A MAJOR PART OF THE WIDTH OF SUCH SECOND LAYER TOWARD A LONGITUDINAL EDGE THEREOF, AND CONTROLLING THE THICKNESS OF SAID LAYERS SO THAT THE RESULTING COMMITTING LIGHT, AND CUTTING SUCH COMPOSITE STRIP TO PRODUCE A PART HAVING A GRADIENT COLOR APPEARANCE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-22 | 1964-11-21 | 1965-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-22 | 1968-11-21 | 1969-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-22 | 1972-11-21 | 1973-05-23 | $7700.00 | Window Closed / Lapsed |