US1948375A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Annular valve
Assignee: Firm Hoerbiger & Co
•
Filing: 1930-11-04
•
Granted: 1934-02-20
•
Expires: 1950-11-04
Abstract
No abstract record available.
Inventors
- 👤 Hoerbiger Alfred
- 👤 Kohler Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:46
CPC Classifications
F; F16; F16K; F16K15/00; F16K15/02; F16K15/08; F16K15/12; F16K15/025; F16K15/026; F16K15/028; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7859; Y10T137/7861; Y10T137/7862; Y10T137/7863; Y10T137/7864; Y10T137/7904; Y10T137/7922
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) | 1937-02-19 | 1937-08-21 | 1938-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-02-19 | 1941-08-21 | 1942-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-02-19 | 1945-08-21 | 1946-02-20 | $7700.00 | Window Closed / Lapsed |