US1456178A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coupling and method of making the same
Assignee: Individual
•
Filing: 1921-01-10
•
Granted: 1923-05-22
•
Expires: 1941-01-10
Abstract
No abstract record available.
Inventors
- 👤 William P Crockett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 00:25
CPC Classifications
F; F16; F16L; F16L3/00; F16L5/00; H; H02; H02G; H02G3/00; H02G3/02; H02G3/06; H02G3/0616; H02G3/0625; H02G3/0683
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1926-05-21 | 1926-11-20 | 1927-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1930-05-21 | 1930-11-20 | 1931-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1934-05-21 | 1934-11-20 | 1935-05-22 | $7700.00 | Window Closed / Lapsed |