US2977631A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for agglomerating particulate material
Assignee: Komarek-Greaves and Co
•
Filing: 1958-03-19
•
Granted: 1961-04-04
•
Expires: 1978-03-19
Abstract
No abstract record available.
Inventors
- 👤 Komarek Gustav
- 👤 Karl R Komarek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:24
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/25; B29C48/30; B29C48/35; B29C48/03; B29C48/07; B29C48/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1919361A
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US2333786A
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US2566854A
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US2663901A
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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) | 1964-04-03 | 1964-10-03 | 1965-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-03 | 1968-10-03 | 1969-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-03 | 1972-10-03 | 1973-04-04 | $7700.00 | Window Closed / Lapsed |