US2633333A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe spinner
Assignee: Individual
•
Filing: 1948-05-17
•
Granted: 1953-03-31
•
Expires: 1968-05-17
Abstract
No abstract record available.
Inventors
- 👤 Lynn W Storm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:36
CPC Classifications
E; E21; E21B; E21B19/00; E21B19/20
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US499962A
Cited
US1377575A
Cited
US294672A
Cited
US823238A
Cited
US1163213A
Cited
US1460320A
Cited
US1536617A
Cited
US1511837A
Cited
US1796981A
Cited
US1825018A
Cited
US1891832A
Cited
US1842638A
Cited
US1936884A
Cited
US2000221A
Cited
US2056206A
Cited
US2091225A
Cited
US2092511A
Cited
US2162653A
Cited
US2190547A
Cited
US2168837A
Cited
US2188941A
Cited
US2226947A
Cited
US2250836A
Cited
US2313243A
Cited
US2290247A
Cited
US2446363A
Cited
US2488107A
Cited
US2450934A
Cited
US2612627A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-30 | 1956-09-29 | 1957-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-30 | 1960-09-29 | 1961-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-30 | 1964-09-29 | 1965-03-31 | $7700.00 | Window Closed / Lapsed |