Patent US3367008A successfully refreshed from Google Patents.
US3367008A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filled calender roll
Assignee: Riegel Paper Corp
•
Filing: 1966-04-13
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Granted: 1968-02-06
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Expires: 1986-04-13
Abstract
No abstract record available.
Inventors
- 👤 William H Hoge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 19:17
CPC Classifications
D; D21; D21G; D21G1/00; D21G1/02; D21G1/0233; D21G1/024
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
IN A CALENDER ROLL OF THE TYPE COMPRISING A SUPPORTING CORE ELEMENT AND A PLURALITY OF PAPER DISKS SUPPORTED THEREUPON UNDER COMPRESSION BY A PAIR OF AXIAL ELEMENTS, THE IMPROVEMENT WHEREIN A FILM OF METAL CONDENSED FROM ITS VAPOR STATE IS APPLIED TO SAID PAPER DISKS ON AT LEAST ONE OF THE SIDES THEREOF.
Claim 2
Dependent Claim
54 words
IN A CALENDER ROLL OF THE TYPE COMPRISING A SUPPORTING CORE ELEMENT AND A PLURALITY OF PAPER DISKS SUPPORTED THEREUPON UNDER COMPRESSION BY A PAIR OF AXIAL ELEMENTS, THE IMPROVEMENT WHEREIN A FILM OF METAL CONDENSED FROM ITS VAPOR STATE IS APPLIED TO SAID PAPER DISKS ON AT LEAST ONE OF THE SIDES THEREOF.
References Cited (Backward Citations)
US34394A
Cited
US1628835A
Cited
US1739572A
Cited
US3036549A
Cited
US2987802A
Cited
US3040702A
Cited
US3291039A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-05 | 1971-08-07 | 1972-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-05 | 1975-08-07 | 1976-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-05 | 1979-08-07 | 1980-02-06 | $7700.00 | Window Closed / Lapsed |