US2905585A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-bonded paper
Assignee: EIDP Inc
•
Filing: 1954-09-30
•
Granted: 1959-09-22
•
Expires: 1974-09-30
Abstract
No abstract record available.
Inventors
- 👤 James K Hubbard
- 👤 Franklin H Koontz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:22
CPC Classifications
D; D21; D21H; D21H13/00; D21H13/10; D21H13/20; D21H13/24; D21H11/00; D21H11/16; D21H11/20; D21H5/00; D21H5/12; D21H5/1272; D21H5/1281; Y; Y10; Y10S; Y10S8/00; Y10S8/04; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
A SYNTHETIC PAPER SHEET COMPOSED OF A BATT CONSISTING ESSENTIALLY OF A MASS OF RETICULATED MOLECULARLY ORIENTED FIBER, THE SAID FIBER BEING COMPOSED OF A FIBERFORMING LINEAR SYNTHETIC POLYESTER WHEREIN RECURRING ESTER LINKAGES ARE AN INTEGRAL PART OF THE POLYMER CHAIN, THE SAID FIBERS BEING SELF-BONDING ONLY AT THE POINTS WHERE THE FIBERS INTERSECT EACH OTHER, THE SELF-BOND HAVING BEEN ACCOMPLISHED BY A SOLUTION OF A JOIN-INDUCING SALT FROM THE GROUP CONSISTING OF CALCIUM THIOCYANATE AND MAGNESIUM THIOCYANATE, THE SAID SOLUTION HAVING BEEN ORIGINALLY APPLIED TO THE SAID FIBER AT A CONCENTRATION AT WHICH IT IS SUBSTANTIALLY INNOCOUS TO THE SAID FIBER AND THEREAFTER HAVING BEEN HEATED TO INCREASE ITS CONCENTRATION, THOSE PORTIONS OF THE FIBERS BETWEEN THE POINTS OF FIBER INTERSECTION POSSESSING SUBSTANTIALLY THE SAME PHYSICAL AND CHEMICAL CHARACTERISTICS AS THEY POSSESSED PRIOR TO THE FORMATION OF THE BONDS.
Claim 2
Dependent Claim
140 words
A SYNTHETIC PAPER SHEET COMPOSED OF A BATT CONSISTING ESSENTIALLY OF A MASS OF RETICULATED MOLECULARLY ORIENTED FIBER, THE SAID FIBER BEING COMPOSED OF A FIBERFORMING LINEAR SYNTHETIC POLYESTER WHEREIN RECURRING ESTER LINKAGES ARE AN INTEGRAL PART OF THE POLYMER CHAIN, THE SAID FIBERS BEING SELF-BONDING ONLY AT THE POINTS WHERE THE FIBERS INTERSECT EACH OTHER, THE SELF-BOND HAVING BEEN ACCOMPLISHED BY A SOLUTION OF A JOIN-INDUCING SALT FROM THE GROUP CONSISTING OF CALCIUM THIOCYANATE AND MAGNESIUM THIOCYANATE, THE SAID SOLUTION HAVING BEEN ORIGINALLY APPLIED TO THE SAID FIBER AT A CONCENTRATION AT WHICH IT IS SUBSTANTIALLY INNOCOUS TO THE SAID FIBER AND THEREAFTER HAVING BEEN HEATED TO INCREASE ITS CONCENTRATION, THOSE PORTIONS OF THE FIBERS BETWEEN THE POINTS OF FIBER INTERSECTION POSSESSING SUBSTANTIALLY THE SAME PHYSICAL AND CHEMICAL CHARACTERISTICS AS THEY POSSESSED PRIOR TO THE FORMATION OF THE BONDS.
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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) | 1962-09-21 | 1963-03-23 | 1963-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-21 | 1967-03-23 | 1967-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-21 | 1971-03-23 | 1971-09-22 | $7700.00 | Window Closed / Lapsed |