Patent US2315048A successfully refreshed from Google Patents.
Patent US1414541A successfully refreshed from Google Patents.
US1414541A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sucker-rod hanger
Assignee: Individual
•
Filing: 1920-08-06
•
Granted: 1922-05-02
•
Expires: 1940-08-06
Abstract
No abstract record available.
Inventors
- 👤 Arey Samuel Edward
- 👤 Jay J Hern
- 👤 Mcfadden Merle Stanley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:45
CPC Classifications
E; E21; E21D; E21D15/00; E21D15/14; E21D15/28; E21D15/34; E21B; E21B19/00; E21B19/02; E21B19/06
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) | 1925-05-01 | 1925-10-31 | 1926-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1929-05-01 | 1929-10-31 | 1930-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1933-05-01 | 1933-10-31 | 1934-05-02 | $7700.00 | Window Closed / Lapsed |