Patent US3779081A successfully refreshed from Google Patents.
US3300159A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Smooth-surfaced paper body and method of forming same
Assignee: TEXTILE PAPER PRODUCTS Inc
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Filing: 1963-07-24
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Granted: 1967-01-24
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Expires: 1983-07-24
Abstract
No abstract record available.
Inventors
- 👤 Herbert P Johnson
- 👤 Lawrence R Wilkes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:34
CPC Classifications
B; B31; B31C; B31C3/00; B65; B65H; B65H75/00; B65H75/02; B65H75/18; B65H2701/00; B65H2701/30; B65H2701/31
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
43 words
A TUBULAR PAPER BODY CHARACTERIZED BY AN EXCEPTIONALLY HARD AND SMOOTH OUTER SURFACE, SAID PAPER BODY BEING FORMED OF LAMINATED MULTIPLE PLIES AND HAVING AT LEAST THE OUTER PLY THEREOF IMPREGNATED WITH SULFUR AND THE EXPOSED SURFACE OF SAID IMPREGNATED PLY BURNISHED SMOOTH.
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) | 1970-01-23 | 1970-07-25 | 1971-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-23 | 1974-07-25 | 1975-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-23 | 1978-07-25 | 1979-01-24 | $7700.00 | Window Closed / Lapsed |