US3468338A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flow regulator
Assignee: Individual
•
Filing: 1967-08-22
•
Granted: 1969-09-23
•
Expires: 1987-08-22
Abstract
No abstract record available.
Inventors
- 👤 Arch Patterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 00:02
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/02; F16K31/06; F16K31/08; F16K15/00; F16K15/02; F16K15/04; F16K15/048; F16K17/00; F16K17/20; F16K17/22; F16K17/24; F16K17/28; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7869
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US602696A
Cited
US2569316A
Cited
US2667895A
Cited
US2821209A
Cited
US3106226A
Cited
US3200214A
Cited
US3286742A
Cited
US3212539A
Cited
US3407827A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-22 | 1973-03-24 | 1973-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-22 | 1977-03-24 | 1977-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-22 | 1981-03-24 | 1981-09-23 | $7700.00 | Window Closed / Lapsed |