Patent FR1058408A successfully refreshed from Google Patents.
Patent US2888378A successfully refreshed from Google Patents.
US2888378A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Paper making machine
Assignee: Individual
•
Filing: 1954-11-05
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Granted: 1959-05-26
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Expires: 1974-11-05
Abstract
No abstract record available.
Inventors
- 👤 Milton J Maguire
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:34
CPC Classifications
D; D21; D21F; D21F9/00; D21F9/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
IN A PAPER MAKING MACHINE INCLUDING A COUCH ROLL AND A BREAST ROLL AND A MOVING FORMING WIRE ENTRAINED THEREOVER AND CARRYING A PAPER OR PULP WEB ON ITS FLAT HORIZONTAL UPPER REACH; THE IMPROVEMENT COMPRISING A HORIZONTAL SUCTION MEANS UNDERLYING AND PARALLEL WITH SAID FORMING WIRE BETWEEN SAID COUCH AND BREAST ROLLS, AN ENDLESS REVOLVABLE PERFORATE BELT HAVING ITS UPPER REACH UNDERLYING AND PARALLEL WITH THE WIRE ABOVE THE SUCTION MEANS, AN ENDLESS REVOLVABLE POROUS BELT HAVING ITS LOWER REACH CONSTANTLY OVERLYING THE WEB IN FACIAL CONTACT THEREWITH ABOVE AND IN CONFRONTING RELATION TO SAID FIRST MENTIONED REVOLVABLE BELT TO RESTRICT PASSAGE OF AIR THROUGH THE WEB BETWEEN BOTH SAID BELTS.
Claim 2
Dependent Claim
112 words
IN A PAPER MAKING MACHINE INCLUDING A COUCH ROLL AND A BREAST ROLL AND A MOVING FORMING WIRE ENTRAINED THEREOVER AND CARRYING A PAPER OR PULP WEB ON ITS FLAT HORIZONTAL UPPER REACH; THE IMPROVEMENT COMPRISING A HORIZONTAL SUCTION MEANS UNDERLYING AND PARALLEL WITH SAID FORMING WIRE BETWEEN SAID COUCH AND BREAST ROLLS, AN ENDLESS REVOLVABLE PERFORATE BELT HAVING ITS UPPER REACH UNDERLYING AND PARALLEL WITH THE WIRE ABOVE THE SUCTION MEANS, AN ENDLESS REVOLVABLE POROUS BELT HAVING ITS LOWER REACH CONSTANTLY OVERLYING THE WEB IN FACIAL CONTACT THEREWITH ABOVE AND IN CONFRONTING RELATION TO SAID FIRST MENTIONED REVOLVABLE BELT TO RESTRICT PASSAGE OF AIR THROUGH THE WEB BETWEEN BOTH SAID BELTS.
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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) | 1962-05-25 | 1962-11-24 | 1963-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-25 | 1966-11-24 | 1967-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-25 | 1970-11-24 | 1971-05-26 | $7700.00 | Window Closed / Lapsed |