US1243712A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stuffing-box.
Assignee: CHAMBERS VALVE Co
•
Filing: 1916-05-19
•
Granted: 1917-10-23
•
Expires: 1936-05-19
Abstract
No abstract record available.
Inventors
- 👤 Frank H Clark
- 👤 Joseph M Company
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:50
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/34; F16J15/3404; F16J15/3408; F16J15/3412; F16J15/342; Y; Y10; Y10S; Y10S277/00; Y10S277/907
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) | 1920-10-22 | 1921-04-23 | 1921-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1924-10-22 | 1925-04-23 | 1925-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1928-10-22 | 1929-04-23 | 1929-10-23 | $7700.00 | Window Closed / Lapsed |