US739793A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coupling for air-brakes.
Assignee: Individual
•
Filing: 1902-12-22
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Granted: 1903-09-22
•
Expires: 1922-12-22
Abstract
No abstract record available.
Inventors
- 👤 John Shourek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:19
CPC Classifications
F; F16; F16L; F16L37/00; F16L37/56; F16K; F16K7/00; F16K7/02; F16K7/04; F16K7/06; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87153; Y10T137/87161
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) | 1906-09-21 | 1907-03-23 | 1907-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1910-09-21 | 1911-03-23 | 1911-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1914-09-21 | 1915-03-23 | 1915-09-22 | $7700.00 | Window Closed / Lapsed |