US2994914A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for mixing thermoplastic materials with fillers
Assignee: PLYMONTH IND PRODUCTS Inc
•
Filing: 1959-03-13
•
Granted: 1961-08-08
•
Expires: 1979-03-13
Abstract
No abstract record available.
Inventors
- 👤 Anthony J Barta
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:05
CPC Classifications
B; B29; B29B; B29B7/00; B29B7/80; B29B7/82; Y; Y10; Y10S; Y10S165/00; Y10S165/228
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2486346A
Cited
US2476272A
Cited
US2814827A
Cited
US2680880A
Cited
US2798256A
Cited
US2863649A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-07 | 1965-02-06 | 1965-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-07 | 1969-02-06 | 1969-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-07 | 1973-02-06 | 1973-08-08 | $7700.00 | Window Closed / Lapsed |