US1186813A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe-coupling.
Assignee: Individual
•
Filing: 1913-09-12
•
Granted: 1916-06-13
•
Expires: 1933-09-12
Abstract
No abstract record available.
Inventors
- 👤 John W Mcferran
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:23
CPC Classifications
F; F16; F16L; F16L19/00; F16L19/06; F16L19/065; F16L19/0653
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) | 1919-06-13 | 1919-12-13 | 1920-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1923-06-13 | 1923-12-13 | 1924-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1927-06-13 | 1927-12-13 | 1928-06-13 | $7700.00 | Window Closed / Lapsed |