US2735329A
Expired / Lapsed
US
⏱️ 0.0 years remaining
meunier
Assignee: —
•
Filing: —
•
Granted: 1956-02-21
•
Expires: 1973-02-21
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:39
CPC Classifications
B; B21; B21C; B21C51/00; B21C51/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
IN COMBINATION, A CONTINUOUS STRIP MILL INCLUDING MEANS FOR FEEDING A WEB OF SHEET METAL; A WINDER FOR FORMING THE WEB INTO A COIL; A DETECTOR HEAD INCLUDING MEANS FOR PROJECTING A BEAM OF LIGHT AT AN ADJUSTABLY PREDETERMINED ZONE ON THE WEB AND A LIGHT-SENSITIVE DEVICE RESPONSIVE TO LIGHT PASSING THROUGH DISCONTINUITIES OF THE WEB IN THE SAID ZONE; MEANS FOR AMPLIFYING THE RESPONSE OF THE LIGHT-SENSITIVE DEVICE; AND MEANS ACTUATED BY THE AMPLIFYING MEANS AND POSITINED AHEAD OF THE WINDER FOR FIXING A MARKING TAPE ON THE WEB ADJACENT THE POSITION OF DISCONTINUTIES DISCOVERED BY THE DETECTOR HEAD SO THAT THE TAPE EXTENDS FROM THE MARGIN OF THE WEB AND OF THE COIL.
Claim 2
Dependent Claim
115 words
IN COMBINATION, A CONTINUOUS STRIP MILL INCLUDING MEANS FOR FEEDING A WEB OF SHEET METAL; A WINDER FOR FORMING THE WEB INTO A COIL; A DETECTOR HEAD INCLUDING MEANS FOR PROJECTING A BEAM OF LIGHT AT AN ADJUSTABLY PREDETERMINED ZONE ON THE WEB AND A LIGHT-SENSITIVE DEVICE RESPONSIVE TO LIGHT PASSING THROUGH DISCONTINUITIES OF THE WEB IN THE SAID ZONE; MEANS FOR AMPLIFYING THE RESPONSE OF THE LIGHT-SENSITIVE DEVICE; AND MEANS ACTUATED BY THE AMPLIFYING MEANS AND POSITINED AHEAD OF THE WINDER FOR FIXING A MARKING TAPE ON THE WEB ADJACENT THE POSITION OF DISCONTINUTIES DISCOVERED BY THE DETECTOR HEAD SO THAT THE TAPE EXTENDS FROM THE MARGIN OF THE WEB AND OF THE COIL.
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) | 1959-02-20 | 1959-08-22 | 1960-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-20 | 1963-08-22 | 1964-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-20 | 1967-08-22 | 1968-02-21 | $7700.00 | Window Closed / Lapsed |