US2327210A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve
Assignee: Glenn L Martin Co
•
Filing: 1941-08-23
•
Granted: 1943-08-17
•
Expires: 1961-08-23
Abstract
No abstract record available.
Inventors
- 👤 John W Overbeke
- 👤 Harry P Kupiec
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:58
CPC Classifications
B; B64; B64C; B64C25/00; B64C25/02; B64C25/08; B64C25/10; B64C25/18; B64C25/22; F; F16; F16K; F16K11/00; F16K11/02; F16K11/06; F16K11/065; F16K11/07; Y; Y10; Y10T; Y10T137/00; Y10T137/2931; Y10T137/3115; Y10T137/3121; Y10T137/8158; Y10T137/8326
Claims Analysis
Total Claims: 0
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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) | 1946-08-16 | 1947-02-15 | 1947-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-08-16 | 1951-02-15 | 1951-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-08-16 | 1955-02-15 | 1955-08-17 | $7700.00 | Window Closed / Lapsed |