US1120340A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Detachable pipe-coupling.
Assignee: Individual
•
Filing: 1914-05-07
•
Granted: 1914-12-08
•
Expires: 1934-05-07
Abstract
No abstract record available.
Inventors
- 👤 Clyde H Smith
- 👤 Frank L Parkman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:36
CPC Classifications
F; F16; F16L; F16L37/00; F16L37/08; F16L37/084; F16L37/092; F16L37/0925; B; B60; B60C; B60C29/00; B60C29/06; B60C23/00
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) | 1917-12-07 | 1918-06-08 | 1918-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1921-12-07 | 1922-06-08 | 1922-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1925-12-07 | 1926-06-08 | 1926-12-08 | $7700.00 | Window Closed / Lapsed |