US2951649A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disintegrating apparatus
Assignee: Rietz Manufacturing Co
•
Filing: 1955-04-12
•
Granted: 1960-09-06
•
Expires: 1975-04-12
Abstract
No abstract record available.
Inventors
- 👤 Carl A Rietz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:07
CPC Classifications
A; A47; A47J; A47J43/00; A47J43/04; A47J43/046; B; B02; B02C; B02C17/00; B02C17/16; B02C23/00; B02C23/18; B02C23/20
Claims Analysis
Total Claims: 0
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US1984619A
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US2436767A
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US2434449A
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US2428420A
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US2511357A
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US2496017A
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US2594250A
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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) | 1963-09-06 | 1964-03-07 | 1964-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-06 | 1968-03-07 | 1968-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-06 | 1972-03-07 | 1972-09-06 | $7700.00 | Window Closed / Lapsed |