US2904843A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of shaping a starch-bound
Assignee: —
•
Filing: —
•
Granted: 1959-09-22
•
Expires: 1976-09-22
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:42
CPC Classifications
C; C04; C04B; C04B26/00; C04B26/02; C04B26/28; Y; Y10; Y10S; Y10S264/00; Y10S264/66
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
IN A METHOD OF FLATTENING A DRY STARCH-BOUND FIBROUS MASS, THE STEPS COMPRISING PLACING THE FIBROUS MASS TO BE FLATTENED ON A FLAT FORAMINOUS SURFACE, PASSING WATER VAPOR THROUGH THE FORAMINOUS SURFACE INTO ONE SIDE ONLY OF THE FIBROUS MASS POSITIONED THEREON, SAID WATER VAPOR BEING AT A TEMPERATURE SUBSTANTIALLY GREATER THAN THE TEMPERATURE OF THE MASS TO CONDENSE THE WATER VAPOR ON THE STARCH BINDER TO SOFTEN THE SAME, HALTING THE PASSAGE OF WATER VAPOR, AND AFTER THE STARCH BINDER HAS REHARDENED REMOVING THE MASS FROM THE SUPPORTING SURFACE.
Claim 2
Dependent Claim
90 words
IN A METHOD OF FLATTENING A DRY STARCH-BOUND FIBROUS MASS, THE STEPS COMPRISING PLACING THE FIBROUS MASS TO BE FLATTENED ON A FLAT FORAMINOUS SURFACE, PASSING WATER VAPOR THROUGH THE FORAMINOUS SURFACE INTO ONE SIDE ONLY OF THE FIBROUS MASS POSITIONED THEREON, SAID WATER VAPOR BEING AT A TEMPERATURE SUBSTANTIALLY GREATER THAN THE TEMPERATURE OF THE MASS TO CONDENSE THE WATER VAPOR ON THE STARCH BINDER TO SOFTEN THE SAME, HALTING THE PASSAGE OF WATER VAPOR, AND AFTER THE STARCH BINDER HAS REHARDENED REMOVING THE MASS FROM THE SUPPORTING SURFACE.
References Cited (Backward Citations)
USRE22090E
Cited
US2500665A
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 |