US3129586A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for testing certain characteristics of paper and the like
Assignee: NewPage Wisconsin System Inc
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Filing: 1961-03-08
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Granted: 1964-04-21
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Expires: 1981-03-08
Abstract
No abstract record available.
Inventors
- 👤 Irving C Allen
- 👤 Frank F Oehme
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:12
CPC Classifications
G; G01; G01N; G01N33/00; G01N33/34; G01N33/346
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
TESTING APPARATUS COMPRISING A PAIR OF PADS BETWEEN WHICH A MEDIUM TO BE TESTED MAY BE LOCATED, MEANS ON ONE OF SAID PADS FOR ADHERENT ENGAGEMENT WHICH ONE SIDE OF THE MEDIUM, MEANS FOR MOVING SAID PADS TOWARD ONE ANOTHER FOR ENGAGEMENT WITH THE OPPOSITE SIDES OF THE MEDIUM AND FOR MOVING SAID PADS AWAY FROM ONE ANOTHER AT HIGH SPEED FOR APPLYING A PICKING FORCE TO THE SIDE OF THE MEDIUM OPPOSITE SAID ONE SIDE, A TIMER COUPLED TO SAID PAD MOVING MEANS FOR MAINTAINING SAID PADS IN ENGAGEMENT WITH THE MEDIUM FOR A SELECTED TIME INTERVAL AND FOR THEN CAUSING SAID PAD MOVING MEANS RAPIDLY TO MOVE SAID PADS AWAY FROM ONE ANOTHER, AND CONTROL MEANS FOR SAID TIMER ACTUATED BY SAID PADS FOR ENERGIZING THE TIMER UPON ENGAGEMENT OF SAID PADS WITH THE MEDIUM.
Claim 2
Dependent Claim
137 words
TESTING APPARATUS COMPRISING A PAIR OF PADS BETWEEN WHICH A MEDIUM TO BE TESTED MAY BE LOCATED, MEANS ON ONE OF SAID PADS FOR ADHERENT ENGAGEMENT WHICH ONE SIDE OF THE MEDIUM, MEANS FOR MOVING SAID PADS TOWARD ONE ANOTHER FOR ENGAGEMENT WITH THE OPPOSITE SIDES OF THE MEDIUM AND FOR MOVING SAID PADS AWAY FROM ONE ANOTHER AT HIGH SPEED FOR APPLYING A PICKING FORCE TO THE SIDE OF THE MEDIUM OPPOSITE SAID ONE SIDE, A TIMER COUPLED TO SAID PAD MOVING MEANS FOR MAINTAINING SAID PADS IN ENGAGEMENT WITH THE MEDIUM FOR A SELECTED TIME INTERVAL AND FOR THEN CAUSING SAID PAD MOVING MEANS RAPIDLY TO MOVE SAID PADS AWAY FROM ONE ANOTHER, AND CONTROL MEANS FOR SAID TIMER ACTUATED BY SAID PADS FOR ENERGIZING THE TIMER UPON ENGAGEMENT OF SAID PADS WITH THE MEDIUM.
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) | 1967-04-21 | 1967-10-21 | 1968-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-21 | 1971-10-21 | 1972-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-21 | 1975-10-21 | 1976-04-21 | $7700.00 | Window Closed / Lapsed |