US3013531A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve
Assignee: McNeil Machine and Engineering Co
•
Filing: 1960-02-25
•
Granted: 1961-12-19
•
Expires: 1980-02-25
Abstract
No abstract record available.
Inventors
- 👤 Carl H Mueller
- 👤 Victor G Klein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:41
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/02; F16K31/06; F16K31/08; F16N; F16N3/00; F16N3/10; F16N3/12; Y; Y10; Y10S; Y10S91/00; Y10S91/04; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86389; Y10T137/86405; Y10T137/86413
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2372813A
Cited
US2638125A
Cited
US2811979A
Cited
US2898936A
Cited
US2886063A
Cited
US2924242A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-18 | 1965-06-19 | 1965-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-18 | 1969-06-19 | 1969-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-18 | 1973-06-19 | 1973-12-19 | $7700.00 | Window Closed / Lapsed |