US3278271A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for vapor-liquid contact
Assignee: Fujifilm Holdings Corp
•
Filing: 1964-01-20
•
Granted: 1966-10-11
•
Expires: 1984-01-20
Abstract
No abstract record available.
Inventors
- 👤 Kono Yuichi
- 👤 Yoshikawa Masaru
- 👤 Matsumoto Shigeru
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 02:59
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/18; B01J19/1806; B01J19/0053; B01J19/0066; B01J2219/00; B01J2219/00049; B01J2219/00051; B01J2219/00074; B01J2219/00087; B01J2219/00094; B01J2219/00162
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2769000A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-10 | 1970-04-11 | 1970-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-10 | 1974-04-11 | 1974-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-10 | 1978-04-11 | 1978-10-11 | $7700.00 | Window Closed / Lapsed |