US1504219A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plug cock
Assignee: D G C Trap & Valve Co Inc
•
Filing: 1922-07-21
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Granted: 1924-08-12
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Expires: 1942-07-21
Abstract
No abstract record available.
Inventors
- 👤 Albert A Cryer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:51
CPC Classifications
F; F16; F16K; F16K5/00; F16K5/08; F16K5/14; F16K5/16; F16K5/162; Y; Y10; Y10T; Y10T137/00; Y10T137/4238; Y10T137/4358; Y10T137/4449
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) | 1927-08-12 | 1928-02-11 | 1928-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-08-12 | 1932-02-11 | 1932-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-08-12 | 1936-02-11 | 1936-08-12 | $7700.00 | Window Closed / Lapsed |