Patent US1522239A successfully refreshed from Google Patents.
US1522239A
Expired / Lapsed
US
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Packing device for drill rods
Assignee: Ingersoll Rand Co
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Filing: 1923-09-14
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Granted: 1925-01-06
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Expires: 1943-09-14
Abstract
No abstract record available.
Inventors
- 👤 Charles C Hansen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:44
CPC Classifications
E; E21; E21B; E21B33/00; E21B33/02; E21B33/03; E21B33/06; Y; Y10; Y10S; Y10S277/00; Y10S277/906
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) | 1928-01-06 | 1928-07-07 | 1929-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-01-06 | 1932-07-07 | 1933-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-01-06 | 1936-07-07 | 1937-01-06 | $7700.00 | Window Closed / Lapsed |