US3294618A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Paper product
Assignee: JOHN A MANNING PAPER CO Inc
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Filing: 1965-04-22
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Granted: 1966-12-27
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Expires: 1985-04-22
Abstract
No abstract record available.
Inventors
- 👤 Louis R Busche
- 👤 James T Welch
- 👤 Charles E Lanyon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 01:21
CPC Classifications
D; D21; D21H; D21H27/00; D21H27/30; D21H27/32; D21H27/34; D21H27/36; D21F; D21F11/00; D21F11/06; D21F11/08; D21H19/00; D21H19/10; D21H19/14; D21H19/20; D21H19/22; D21H19/24; D21H19/30; D21H11/00; D21H11/02; D21H11/04; D21H23/00; D21H23/02; D21H23/22; D21H23/24; D21H23/50; D21H23/52; D21H23/56; D21H23/58; D21H23/64; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24802; Y10T428/31504; Y10T428/31971; Y10T428/31993
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
A PLIABLE MULTILAYER FIBROUS SHEET HAVING FIRST AND SECOND OUTER SURFACES AND CHARACTERIZED BY SUBSTANTIAL RESISTANCE TO DEGRADATION BY WETTING AGENTS ACTING ON AT LEAST SAID FIRST SURFACE, SAID SHEET COMPRISING (A) AT LEAST FIRST AND SECOND PLIABLE WATER-LAID LAYERS OF FIBROUS MATERIAL, (1) SAID LAYERS BEING SUBJECT TO DEGRADATION BY WETTING AGENTS, (2) SAID FIRST LAYER FORMING SAID FIRST SURFACE, (3) SAID SECOND LAYER BEING ADJACENT SAID FIRST LAYER, AND
Claim 2
Dependent Claim
71 words
A PLIABLE MULTILAYER FIBROUS SHEET HAVING FIRST AND SECOND OUTER SURFACES AND CHARACTERIZED BY SUBSTANTIAL RESISTANCE TO DEGRADATION BY WETTING AGENTS ACTING ON AT LEAST SAID FIRST SURFACE, SAID SHEET COMPRISING (A) AT LEAST FIRST AND SECOND PLIABLE WATER-LAID LAYERS OF FIBROUS MATERIAL, (1) SAID LAYERS BEING SUBJECT TO DEGRADATION BY WETTING AGENTS, (2) SAID FIRST LAYER FORMING SAID FIRST SURFACE, (3) SAID SECOND LAYER BEING ADJACENT SAID FIRST LAYER, AND
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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) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |