US3342284A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Web position measuring device and method
Assignee: Individual
•
Filing: 1966-01-10
•
Granted: 1967-09-19
•
Expires: 1986-01-10
Abstract
No abstract record available.
Inventors
- 👤 James D Baird
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:14
CPC Classifications
B; B65; B65H; B65H23/00; B65H23/02; B65H23/0204; G; G01; G01B; G01B17/00; B65H2553/00; B65H2553/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
APPARATUS COMPRISING TRANSDUCER MEANS FOR ESTABLISHING AN ULTRASONIC ENERGY FIELD ADJACENT OPPOSITE EDGES OF A WEB, CIRCUIT MEANS RESPONSIVE TO SAID TRANSDUCER MEANS FOR PROVIDING A SIGNAL HAVING A MAGNITUDE AND POLARITY DEPENDENT UPON THE EXTENT AND DIRECTION OF DISPLACEMENT OF SAID WEB FROM A PREDETERMINED PATH.
Claim 2
Dependent Claim
47 words
APPARATUS COMPRISING TRANSDUCER MEANS FOR ESTABLISHING AN ULTRASONIC ENERGY FIELD ADJACENT OPPOSITE EDGES OF A WEB, CIRCUIT MEANS RESPONSIVE TO SAID TRANSDUCER MEANS FOR PROVIDING A SIGNAL HAVING A MAGNITUDE AND POLARITY DEPENDENT UPON THE EXTENT AND DIRECTION OF DISPLACEMENT OF SAID WEB FROM A PREDETERMINED PATH.
References Cited (Backward Citations)
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Cited
US2996630A
Cited
US3108032A
Cited
US3087140A
Cited
US3051927A
Cited
US3225988A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-18 | 1971-03-20 | 1971-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-18 | 1975-03-20 | 1975-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-18 | 1979-03-20 | 1979-09-19 | $7700.00 | Window Closed / Lapsed |