Patent US1497972A successfully refreshed from Google Patents.
Patent US3000737A successfully refreshed from Google Patents.
US3000737A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanical registration of process color
Assignee: Individual
•
Filing: 1957-01-04
•
Granted: 1961-09-19
•
Expires: 1977-01-04
Abstract
No abstract record available.
Inventors
- 👤 Homer W Barnhart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:35
CPC Classifications
G; G03; G03F; G03F9/00; Y; Y10; Y10S; Y10S101/00; Y10S101/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A PROCESS WHICH COMPRISES EXPOSING, IN A REMOVABLE FRAME IN A CAMERA, A PHOTOSENSITIVE SHEET THROUGH AND IN CONTACT WITH A TRANSPARENCY REGISTERED THEREWITH BY MEANS OF CORRESPONDINGLY SPACED HOLES IN EACH WHICH ENGAGE NIBS ON SAID FRAME, DEVELOPING SAID EXPOSED FILM TO FORM A MASK AND RE-POSITIONING IT IN REGISTER ON THE TRANSPARENCY IN SAID FRAME, MOVING SAID FRAME TO A POSITION FOR PHOTOGRAPHING BY SAID CAMERA, POSITIONING A SECOND PHOTOSENSITIVE SHEET HAVING CORRESPONDING OPENINGS, ON PROTUBERANCES IN A POSITING BAR, INSERTING SAID PROTUBERANCES IN CORRESPONDING SOCKETS IN A BACK ON SAID CAMERA, FIXEDLY ADHERING THE PHOTOSENSITIVE SHEET TO SAID BACK, AND PHOTOGRAPHING ON SAID FILM THE COMBINED TRANSPARENCY AND MASK IN SAID FRAME.
Claim 2
Dependent Claim
115 words
A PROCESS WHICH COMPRISES EXPOSING, IN A REMOVABLE FRAME IN A CAMERA, A PHOTOSENSITIVE SHEET THROUGH AND IN CONTACT WITH A TRANSPARENCY REGISTERED THEREWITH BY MEANS OF CORRESPONDINGLY SPACED HOLES IN EACH WHICH ENGAGE NIBS ON SAID FRAME, DEVELOPING SAID EXPOSED FILM TO FORM A MASK AND RE-POSITIONING IT IN REGISTER ON THE TRANSPARENCY IN SAID FRAME, MOVING SAID FRAME TO A POSITION FOR PHOTOGRAPHING BY SAID CAMERA, POSITIONING A SECOND PHOTOSENSITIVE SHEET HAVING CORRESPONDING OPENINGS, ON PROTUBERANCES IN A POSITING BAR, INSERTING SAID PROTUBERANCES IN CORRESPONDING SOCKETS IN A BACK ON SAID CAMERA, FIXEDLY ADHERING THE PHOTOSENSITIVE SHEET TO SAID BACK, AND PHOTOGRAPHING ON SAID FILM THE COMBINED TRANSPARENCY AND MASK IN SAID FRAME.
References Cited (Backward Citations)
US1325992A
Cited
US1650132A
Cited
US1151461A
Cited
US2020688A
Cited
US2099364A
Cited
US2151429A
Cited
US2334745A
Cited
US2499100A
Cited
US2717756A
Cited
US2701196A
Cited
US2718812A
Cited
US2742814A
Cited
US2711670A
Cited
US2758503A
Cited
US2793442A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-18 | 1965-03-20 | 1965-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-18 | 1969-03-20 | 1969-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-18 | 1973-03-20 | 1973-09-19 | $7700.00 | Window Closed / Lapsed |