US2988784A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of pencils and other shaped articles
Assignee: Individual
•
Filing: 1956-07-26
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Granted: 1961-06-20
•
Expires: 1976-07-26
Abstract
No abstract record available.
Inventors
- 👤 Lorenian Zareh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 04:38
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/14; B29C45/14549; B29C48/00; B29C48/022; B29C48/03; B29C48/06; B29C48/15; B43; B43K; B43K19/00; B43K19/16; C; C09; C09D; C09D13/00; B29K; B29K2101/00; B29K2101/10; B29K2105/00; B29K2105/06; B29K2105/12; B29K2301/00; B29K2301/10
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
116 words
A METHOD OF MAKING A SHAPED ARTICLE, COMPRISING SPRAYING A MINOR QUANTITY OF WATER-INSOLUBLE, WATER INSENSITIVE WAXY MATERIAL IN DRY LIQUID CONDITION AND UNDER VACUUM ONTO A MAJOR QUANTITY OF A DRY COMMINUTED MAIN INGREDIENT CONSISTING PREDOMINANTLY OF CELLULOSE, HEATING TO DISPERSE THE WAXY MATERIAL INTO THE COMMINUTED INGREDIENT, ADMIXING A MINOR QUANTITY OF A WATER-INSOLUBLE, WATER-INSENSITIVE THERMOPLASTIC RESIN BINDER TO FORM A HOMOGENEOUS MIXTURE, THE QUANTITY OF COMMINUTED MAIN INGREDIENT BEING GREATER THAN THE SUM OF THE QUANTITIES OF WAXY MATERIAL BEING LESS THAN THAT OF THE THERMOPLASTIC RESIN, THE RESIN BEING ONE THAT IS COMPATIBLE WITH THE WAXY MATERIAL, AND SHAPING SAID MIXTURE IN DRY CONDITION UNDER HEAT AND PRESSURE TO PRODUCE THE ARTICLE.
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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) | 1964-06-19 | 1964-12-19 | 1965-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-19 | 1968-12-19 | 1969-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-19 | 1972-12-19 | 1973-06-20 | $7700.00 | Window Closed / Lapsed |