US2534908A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for the manufacture of molded articles
Assignee: Individual
•
Filing: 1946-08-28
•
Granted: 1950-12-19
•
Expires: 1966-08-28
Abstract
No abstract record available.
Inventors
- 👤 Holzer Tibor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:59
CPC Classifications
C; C04; C04B; C04B24/00; C04B24/16; C04B24/18; C04B26/00; C04B26/02; C04B26/22; C04B26/24; C08; C08L; C08L1/00; C08L1/02; C08L89/00; C08L89/04; C08L89/06; C08L97/00; C08L97/007; C08L97/02; C09; C09J; C09J197/00; D; D21; D21C; D21C11/00; D21C11/0007; D21J; D21J1/00; D21J1/08; C08L97/005
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
65 words
A PROCESS OF MANUFACTURING MOLDED ARTICLES CONSISTING OF (1) ADMIXING DILUTE COMMERCIAL WASTE LIQUOR, AN ANIMAL ALBUMINOUS SUBSTANCE, AND A CELLULOSIC AGGREGATE, (2) PRECIPITATING LIGNO-GLUTIN FROM THE RESULTING MASS DIRECTLY ON SAID AGGREGATE CARRIER BY AN ADDED DILUTE MINERAL ACID, (3) REMOVING THE EXCESS LIQUID,AND (4) MOLDING AND HEATING THE RESULTING WET ACIDIC MASS AT ELEVATED TEMPERATURES AND PRESSURES TO FORM A UNITARY MOLDED PRODUCT.
References Cited (Backward Citations)
US491284A
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Cited
US1501975A
Cited
US2116227A
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Cited
US2355180A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-18 | 1954-06-19 | 1954-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-18 | 1958-06-19 | 1958-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-18 | 1962-06-19 | 1962-12-19 | $7700.00 | Window Closed / Lapsed |