US3218440A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure device for use with transducer
Assignee: International Business Machines Corp
•
Filing: 1961-08-31
•
Granted: 1965-11-16
•
Expires: 1981-08-31
Abstract
No abstract record available.
Inventors
- 👤 Chester A Albosta
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 00:51
CPC Classifications
G; G06; G06K; G06K7/00; G06K7/01; G06K7/015
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
MEANS FOR MAINTAINING A DOCUMENT IN EFFECTIVE CONTACT WITH A TRANSDUCER AS IT IS MOVED RELATIVE TO THE TRANSDUCER, SAID MEANS INCLUDING A ROTARY MEMBER HAVING A PLURALITY OF BRISTLE-LIKE INDEPENDENTLY FLEXIBLE FINGERS DENSELY ARRANGED AROUND AND PROJECTING OUTWARDLY THEREFROM, SAID FINGERS NORMALLY BEING FULLY EXTENDED AND BEING ADAPTED TO YIELD INDIVIDUALLY SO THAT COLLECTIVELY THEY WILL RESILIENTLY BIAS THE DOCUMENT INTO SUCH EFFECTIVE CONTACT AS THEY ARE SUCCESSIVELY ROTATED INTO CONTACT WITH THE DOCUMENT, THEREBY TO MAINTAIN THE DOCUMENT IN SUCH EFFECTIVE CONTACT DESPITE ANY DISCONTINUITY IN THE DOCUMENT WHICH MAY HAVE CAUSED EXCESSIVE YIELDING AND DEFLECTION OF PRECEDING FINGERS.
Claim 2
Dependent Claim
101 words
MEANS FOR MAINTAINING A DOCUMENT IN EFFECTIVE CONTACT WITH A TRANSDUCER AS IT IS MOVED RELATIVE TO THE TRANSDUCER, SAID MEANS INCLUDING A ROTARY MEMBER HAVING A PLURALITY OF BRISTLE-LIKE INDEPENDENTLY FLEXIBLE FINGERS DENSELY ARRANGED AROUND AND PROJECTING OUTWARDLY THEREFROM, SAID FINGERS NORMALLY BEING FULLY EXTENDED AND BEING ADAPTED TO YIELD INDIVIDUALLY SO THAT COLLECTIVELY THEY WILL RESILIENTLY BIAS THE DOCUMENT INTO SUCH EFFECTIVE CONTACT AS THEY ARE SUCCESSIVELY ROTATED INTO CONTACT WITH THE DOCUMENT, THEREBY TO MAINTAIN THE DOCUMENT IN SUCH EFFECTIVE CONTACT DESPITE ANY DISCONTINUITY IN THE DOCUMENT WHICH MAY HAVE CAUSED EXCESSIVE YIELDING AND DEFLECTION OF PRECEDING FINGERS.
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) | 1968-11-15 | 1969-05-17 | 1969-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-15 | 1973-05-17 | 1973-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-15 | 1977-05-17 | 1977-11-16 | $7700.00 | Window Closed / Lapsed |