US2624550A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Turnover hanger for tongs
Assignee: Byron Jackson Co
•
Filing: 1947-12-30
•
Granted: 1953-01-06
•
Expires: 1967-12-30
Abstract
No abstract record available.
Inventors
- 👤 Chester A Lundeen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:16
CPC Classifications
E; E21; E21B; E21B19/00; E21B19/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1333424A
Cited
US1564511A
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US1666847A
Cited
US1831259A
Cited
US1888770A
Cited
US1906696A
Cited
US2313743A
Cited
US2435972A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-06 | 1956-07-07 | 1957-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-06 | 1960-07-07 | 1961-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-06 | 1964-07-07 | 1965-01-06 | $7700.00 | Window Closed / Lapsed |