US3484794A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid transfer device
Assignee: AT&T Teletype Corp
•
Filing: 1967-11-09
•
Granted: 1969-12-16
•
Expires: 1987-11-09
Abstract
No abstract record available.
Inventors
- 👤 Charles R Winston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:40
CPC Classifications
B; B41; B41J; B41J2/00; B41J2/005; B41J2/01; B41J2/07; B41J2/075; B41J2/095; B41J2/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1882043A
Cited
US1817098A
Cited
US2676868A
Cited
US3060429A
Cited
US3136594A
Cited
US3278940A
Cited
US3287734A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-15 | 1973-06-16 | 1973-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-15 | 1977-06-16 | 1977-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-15 | 1981-06-16 | 1981-12-16 | $7700.00 | Window Closed / Lapsed |