US2361866A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve construction
Assignee: Bastian Blessing Co
•
Filing: 1941-01-18
•
Granted: 1944-10-31
•
Expires: 1961-01-18
Abstract
No abstract record available.
Inventors
- 👤 Harold L Norway
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:51
CPC Classifications
F; F16; F16K; F16K1/00; F16K1/30; F16K1/304; F16K1/305; F16K1/306; F16K1/307; F16K15/00; F16K15/02; F16K15/06; F16K15/063; F16K15/066; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7838; Y10T137/7842; Y10T137/7846; Y10T137/8593; Y10T137/87917; Y10T137/88054
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1947-10-31 | 1948-05-01 | 1948-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-10-31 | 1952-05-01 | 1952-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-10-31 | 1956-05-01 | 1956-10-31 | $7700.00 | Window Closed / Lapsed |