US2811442A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheets comprising filaments of fungi
Assignee: Lawrence University
•
Filing: 1954-04-12
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Granted: 1957-10-29
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Expires: 1974-04-12
Abstract
No abstract record available.
Inventors
- 👤 Willis M Van Horn
- 👤 Bernard F Shema
- 👤 William H Shockley
- 👤 Julian H Conkey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:29
CPC Classifications
D; D21; D21H; D21H13/00; D21H13/10; D21H13/28; D21H13/34; D21H5/00; D21H5/12; D21H5/1209
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
41 words
A HIGHLY FLEXIBLE, HIGH GLOSS SHEET HAVING WRITING AND PRINTING PROPERTIES SIMILAR TO PAPER SHEETS COMPRISINGNG FILAMENTS OF FUNGI IN AMOUNTS IN EXCESS OF ABOUT 10 PERCENT OF THE WEIGHT OF THE SHEET,THE REMAINING PORTION OF SAID SHEET COMPRISING PAPERMAKING FIBERS.
Claim 2
Dependent Claim
41 words
A HIGHLY FLEXIBLE, HIGH GLOSS SHEET HAVING WRITING AND PRINTING PROPERTIES SIMILAR TO PAPER SHEETS COMPRISINGNG FILAMENTS OF FUNGI IN AMOUNTS IN EXCESS OF ABOUT 10 PERCENT OF THE WEIGHT OF THE SHEET,THE REMAINING PORTION OF SAID SHEET COMPRISING PAPERMAKING FIBERS.
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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) | 1960-10-28 | 1961-04-29 | 1961-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-28 | 1965-04-29 | 1965-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-28 | 1969-04-29 | 1969-10-29 | $7700.00 | Window Closed / Lapsed |