US2695755A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for disintegrating raw materials
Assignee: Individual
•
Filing: 1951-01-02
•
Granted: 1954-11-30
•
Expires: 1971-01-02
Abstract
No abstract record available.
Inventors
- 👤 John J Denovan
- 👤 Robert A Denovan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:26
CPC Classifications
B; B02; B02C; B02C13/00; B02C13/26; B02C13/28; B02C13/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US248923A
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US492720A
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US944670A
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US1028867A
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US1145772A
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US1586282A
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US1621869A
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DE530253C
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US2446786A
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US2529679A
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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) | 1957-11-29 | 1958-05-31 | 1958-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-29 | 1962-05-31 | 1962-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-29 | 1966-05-31 | 1966-11-30 | $7700.00 | Window Closed / Lapsed |