Patent US2905585A successfully refreshed from Google Patents.
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
2026-10-23 18:45
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.
References Cited (Backward Citations)
US2734001A
Cited
US2325302A
Cited
US2336797A
Cited
US2374540A
Cited
US2338602A
Cited
US2357392A
Cited
US2439514A
Cited
US2465319A
Cited
US2526125A
Cited
US2436222A
Cited
GB610171A
Cited
US2522527A
Cited
US2626214A
Cited
US2578899A
Cited
US2689199A
Cited
US2676128A
Cited
US2725309A
Cited
US2604689A
Cited
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 |