US2939760A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vapor treatment of a moving web
Assignee: EIDP Inc
•
Filing: 1955-10-26
•
Granted: 1960-06-07
•
Expires: 1975-10-26
Abstract
No abstract record available.
Inventors
- 👤 Fred B Bjarnow
- 👤 Mario T Cichelli
- 👤 Alan G Hamilton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 02:30
CPC Classifications
D; D21; D21C; D21C9/00; D21C9/10; D21C9/1026; D21C9/16; D21C9/163; D21H; D21H23/00; D21H23/02; D21H23/22; D21H23/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
THE PROCESS FOR APPLYING HYDROGEN PEROXIDE TO A MOIST FIBROUS WEB WHICH COMPRISES CONTINUOUSLY MOVING THE MOIST FIBROUS WEB PAST A PEROIXDE APPLICATION ZONE SO THAT THE MOVING WEB CONSTITUTES ONE OF THE CONFINING SIDES OF SAID ZONE, AND CONTINUOUSLY FLOWING WITH A MINIMUM OF TURBULENCE A STREAM OF HYDROGEN PEROXIDE VAPOR SUBSTANTIALLY FREE FROM NON-CONDENSIBLE GAS INTO CONTACT IN SAID ZONE WITH SAID MOVING WEB AND SUBSTANTIALLY
Claim 2
Dependent Claim
68 words
THE PROCESS FOR APPLYING HYDROGEN PEROXIDE TO A MOIST FIBROUS WEB WHICH COMPRISES CONTINUOUSLY MOVING THE MOIST FIBROUS WEB PAST A PEROIXDE APPLICATION ZONE SO THAT THE MOVING WEB CONSTITUTES ONE OF THE CONFINING SIDES OF SAID ZONE, AND CONTINUOUSLY FLOWING WITH A MINIMUM OF TURBULENCE A STREAM OF HYDROGEN PEROXIDE VAPOR SUBSTANTIALLY FREE FROM NON-CONDENSIBLE GAS INTO CONTACT IN SAID ZONE WITH SAID MOVING WEB AND SUBSTANTIALLY
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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) | 1963-06-07 | 1963-12-07 | 1964-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-07 | 1967-12-07 | 1968-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-07 | 1971-12-07 | 1972-06-07 | $7700.00 | Window Closed / Lapsed |