US3404780A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: CENTRAIA AUTOMATIONSLABORATORI
•
Filing: 1965-07-29
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Granted: 1968-10-08
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Expires: 1985-07-29
Abstract
No abstract record available.
Inventors
- 👤 Jungner Olof Gunnar Hugo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:30
CPC Classifications
B; B01; B01D; B01D35/00; B01D35/12; B01D29/00; B01D29/01; B01D29/03; B01D29/50; B01D29/52; B01D29/76; B01D29/78; B01D29/96
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2127360A
Cited
US2304142A
Cited
US2617986A
Cited
US3201921A
Cited
US3002922A
Cited
US3222135A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-08 | 1972-04-08 | 1972-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-08 | 1976-04-08 | 1976-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-08 | 1980-04-08 | 1980-10-08 | $7700.00 | Window Closed / Lapsed |