Patent US3279977A successfully refreshed from Google Patents.
US3279977A
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Papermakers' felt conditioner
Assignee: Rice Barton Corp
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Filing: 1963-12-13
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Granted: 1966-10-18
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Expires: 1983-12-13
Abstract
No abstract record available.
Inventors
- 👤 Anthony J Cirrito
- 👤 Nicolas M Reitzel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 00:16
CPC Classifications
D; D21; D21F; D21F7/00; D21F7/08; D21F7/12; D21F1/00; D21F1/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
APPARATUS FOR CONDITIONING PARPERMAKERS'' FELT WHICH COMPRISES, WITH A SAID FELT, AT LEAST ONE ROLL MOUNTED FOR ROTATION FOR TRAINING SAID FELT THEREOVER, A MULTIPLICITY OF CHANNELS IN SAID ROLL AND EXTENDING FROM PORTIONS OF THE SURFACE THEREOF OUT OF POSITION TO CONTACT SAID FELT TO PORTIONS OF SAID SURFACE IN POSITION TO CONTACT SAID FELT, AND
Claim 2
Dependent Claim
57 words
APPARATUS FOR CONDITIONING PARPERMAKERS'' FELT WHICH COMPRISES, WITH A SAID FELT, AT LEAST ONE ROLL MOUNTED FOR ROTATION FOR TRAINING SAID FELT THEREOVER, A MULTIPLICITY OF CHANNELS IN SAID ROLL AND EXTENDING FROM PORTIONS OF THE SURFACE THEREOF OUT OF POSITION TO CONTACT SAID FELT TO PORTIONS OF SAID SURFACE IN POSITION TO CONTACT SAID FELT, AND
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) | 1969-10-17 | 1970-04-18 | 1970-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-17 | 1974-04-18 | 1974-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-17 | 1978-04-18 | 1978-10-18 | $7700.00 | Window Closed / Lapsed |