US2844361A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for blending pulverulent material
Assignee: Fuller Co
•
Filing: 1955-06-28
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Granted: 1958-07-22
•
Expires: 1975-06-28
Abstract
No abstract record available.
Inventors
- 👤 Harry J Dilcher
- 👤 Robert B Frost
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 00:58
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/18; B01J8/24; B01J8/38; B01J8/384; B01J8/386; B01F; B01F33/00; B01F33/40; B01F33/406; B01F33/4062; B65; B65G; B65G69/00; B65G69/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1971852A
Cited
US2292897A
Cited
DE900192C
Cited
US2629938A
Cited
FR1087153A
Cited
US2750681A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-21 | 1962-01-20 | 1962-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-21 | 1966-01-20 | 1966-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-21 | 1970-01-20 | 1970-07-22 | $7700.00 | Window Closed / Lapsed |