US3465787A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring-biased valve with anti-chattering feature
Assignee: General Electric Co
•
Filing: 1967-04-12
•
Granted: 1969-09-09
•
Expires: 1987-04-12
Abstract
No abstract record available.
Inventors
- 👤 William K Gulick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:03
CPC Classifications
F; F16; F16K; F16K1/00; F16K1/14; F16K15/00; F16K15/02; F16K15/04; F16K15/044; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7898; Y10T137/7904; Y10T137/7922; Y10T137/7927; Y10T137/7928
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1104201A
Cited
GB191411268A
Cited
US1447102A
Cited
US1700234A
Cited
US1991227A
Cited
US2564815A
Cited
US2714392A
Cited
US2914085A
Cited
GB734965A
Cited
US2903009A
Cited
FR1183373A
Cited
US2949931A
Cited
US3105516A
Cited
US3263699A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-08 | 1973-03-10 | 1973-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-08 | 1977-03-10 | 1977-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-08 | 1981-03-10 | 1981-09-09 | $7700.00 | Window Closed / Lapsed |