Patent US3540700A successfully refreshed from Google Patents.
US3540700A
Expired / Lapsed
US
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Rotary processing apparatus
Assignee: New Brunswick Scientific Co Inc
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Filing: 1969-01-24
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Granted: 1970-11-17
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Expires: 1989-01-24
Abstract
No abstract record available.
Inventors
- 👤 David Freedman
- 👤 William G Whitton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:31
CPC Classifications
C; C12; C12M; C12M27/00; C12M27/10; C12M27/12; A; A61; A61M; A61M5/00; A61M5/14; B; B01; B01J; B01J19/00; B01J19/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-16 | 1974-05-18 | 1974-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-16 | 1978-05-18 | 1978-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-16 | 1982-05-18 | 1982-11-17 | $7700.00 | Window Closed / Lapsed |