US2974883A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for pulverizing thermoplastic material
Assignee: Vasco Ind Corp
•
Filing: 1955-10-05
•
Granted: 1961-03-14
•
Expires: 1975-10-05
Abstract
No abstract record available.
Inventors
- 👤 Engel Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 04:48
CPC Classifications
B; B02; B02C; B02C23/00; B02C13/00; B02C13/26; B02C13/282; B02C18/00; B02C18/06; B02C18/14; B02C18/148; B02C19/00; B02C19/20; B02C23/08; B02C23/16; B02C2023/165
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US656297A
Cited
US669465A
Cited
US868617A
Cited
US926801A
Cited
US1359426A
Cited
US1569561A
Cited
US1666014A
Cited
US1782296A
Cited
US2013808A
Cited
US1795792A
Cited
US1945054A
Cited
US2364101A
Cited
US2215226A
Cited
US2400382A
Cited
US2461089A
Cited
GB686374A
Cited
US2587020A
Cited
CH305374A
Cited
US2726045A
Cited
GB735600A
Cited
US2833484A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-03-13 | 1964-09-12 | 1965-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-13 | 1968-09-12 | 1969-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-13 | 1972-09-12 | 1973-03-14 | $7700.00 | Window Closed / Lapsed |