US2711094A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stop motion
Assignee: Celanese Corp
•
Filing: 1949-06-25
•
Granted: 1955-06-21
•
Expires: 1969-06-25
Abstract
No abstract record available.
Inventors
- 👤 Edelman Abraham
- 👤 Robert H Roughsedge
- 👤 Hans G Lustig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:47
CPC Classifications
D; D04; D04B; D04B35/00; D04B35/10; D04B35/14; D04B35/16; D04B35/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
A PHOTOELECTRIC STOP MOTION, COMPRISING A PAIR OF PHOTOTUBES, MEANS FOR TRAVERSING SAID PHOTOTUBES ACROSS AN ILLUMINATED TEXTILE FABRIC TO SCAN THE SAME, AND OPERATIVELY CONNECTED TO THE PHOTOTUBES, MEANS RESPONSIVE TO THE DIFFERENCE IN SIGNAL FROM THE PHOTOTUBES WHEN ONE OF THE PHOTOTUBES SCANS A FABRIC DEFECT.
Claim 2
Dependent Claim
48 words
A PHOTOELECTRIC STOP MOTION, COMPRISING A PAIR OF PHOTOTUBES, MEANS FOR TRAVERSING SAID PHOTOTUBES ACROSS AN ILLUMINATED TEXTILE FABRIC TO SCAN THE SAME, AND OPERATIVELY CONNECTED TO THE PHOTOTUBES, MEANS RESPONSIVE TO THE DIFFERENCE IN SIGNAL FROM THE PHOTOTUBES WHEN ONE OF THE PHOTOTUBES SCANS A FABRIC DEFECT.
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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) | 1958-06-20 | 1958-12-20 | 1959-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-06-20 | 1962-12-20 | 1963-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-06-20 | 1966-12-20 | 1967-06-21 | $7700.00 | Window Closed / Lapsed |