Patent US3103849A successfully refreshed from Google Patents.
US3103849A
Expired / Lapsed
US
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Optical line inscribing apparatus
Assignee: Individual
•
Filing: 1960-07-25
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Granted: 1963-09-17
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Expires: 1980-07-25
Abstract
No abstract record available.
Inventors
- 👤 Lester V Wise
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:08
CPC Classifications
G; G03; G03F; G03F1/00; B; B41; B41G; B41G3/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
AN OPTICAL LINE INSCRIBING DRAFTING APPARATUS COMPRISING A SUPPORT FOR A LIGHT-SENSITIVE SURFACE, A LIGHT SOURCE DIRECTED TOWARD SAID SURFACE PHOTOGRAPHICALLY TO EFFECT EXPOSURE THEREOF, AND A SLIDE ASSEMBLY INTERPOSED BETWEEN SAID SOURCE AND SAID SURFACE AND INCLUDING AT LEAST ONE OPAQUE SLIDE HAVING A PLURALITY OF LIGHT PERMEABLE LINE-FORMING SLITS AT SPACED POSITIONS THEREON TO PRODUCE ILLUMINATED IMAGES OF DRAFTING LINES, SELECTIVE MEANS MOVABLE RELATIVE TO SAID SLIDE AND HAVING AN APERTURE THEREIN TO EXPOSE A SELECTED SLIT TO SAID LIGHT, AND MASKING
Claim 2
Dependent Claim
84 words
AN OPTICAL LINE INSCRIBING DRAFTING APPARATUS COMPRISING A SUPPORT FOR A LIGHT-SENSITIVE SURFACE, A LIGHT SOURCE DIRECTED TOWARD SAID SURFACE PHOTOGRAPHICALLY TO EFFECT EXPOSURE THEREOF, AND A SLIDE ASSEMBLY INTERPOSED BETWEEN SAID SOURCE AND SAID SURFACE AND INCLUDING AT LEAST ONE OPAQUE SLIDE HAVING A PLURALITY OF LIGHT PERMEABLE LINE-FORMING SLITS AT SPACED POSITIONS THEREON TO PRODUCE ILLUMINATED IMAGES OF DRAFTING LINES, SELECTIVE MEANS MOVABLE RELATIVE TO SAID SLIDE AND HAVING AN APERTURE THEREIN TO EXPOSE A SELECTED SLIT TO SAID LIGHT, AND MASKING
References Cited (Backward Citations)
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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) | 1966-09-16 | 1967-03-18 | 1967-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-16 | 1971-03-18 | 1971-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-16 | 1975-03-18 | 1975-09-17 | $7700.00 | Window Closed / Lapsed |