US3244397A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Remote controlled, non-corrosive valves
Assignee: Individual
•
Filing: 1963-03-04
•
Granted: 1966-04-05
•
Expires: 1983-03-04
Abstract
No abstract record available.
Inventors
- 👤 Arthur P Fattor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 15:01
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/02; F16K31/06; F16K31/10; F16K31/105
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2034272A
Cited
GB416244A
Cited
US2052246A
Cited
US2089279A
Cited
US2770443A
Cited
US2750960A
Cited
US2934088A
Cited
US3095902A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-04 | 1969-10-04 | 1970-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-04 | 1973-10-04 | 1974-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-04 | 1977-10-04 | 1978-04-05 | $7700.00 | Window Closed / Lapsed |