US729423A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compression stop-cock.
Assignee: Individual
•
Filing: 1900-11-03
•
Granted: 1903-05-26
•
Expires: 1920-11-03
Abstract
No abstract record available.
Inventors
- 👤 Eugen Scheiber
- 👤 Emil Kwaysser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:23
CPC Classifications
B; B67; B67D; B67D1/00; B67D1/04; B67D1/0456
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) | 1906-05-25 | 1906-11-24 | 1907-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1910-05-25 | 1910-11-24 | 1911-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1914-05-25 | 1914-11-24 | 1915-05-26 | $7700.00 | Window Closed / Lapsed |