US1509508A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined check, needle, and safety valve
Assignee: Marquette Tool & Manufacturing Co
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Filing: 1921-01-10
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Granted: 1924-09-23
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Expires: 1941-01-10
Abstract
No abstract record available.
Inventors
- 👤 Grunwald Albert
- 👤 Balcker Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:08
CPC Classifications
F; F16; F16K; F16K15/00; F16K15/18; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/7793; Y10T137/7794; Y10T137/7837; Y10T137/7904; Y10T137/7922; Y10T137/7929; Y10T137/7932; Y10T137/7933; Y10T137/8593; Y10T137/87265; Y10T137/8733; Y10T137/87378; Y10T137/87394; Y10T137/87555; Y10T137/877; Y10T137/87829; Y10T137/87837; Y10T137/87853
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) | 1927-09-23 | 1928-03-24 | 1928-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-09-23 | 1932-03-24 | 1932-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-09-23 | 1936-03-24 | 1936-09-23 | $7700.00 | Window Closed / Lapsed |